[2026-03-22 03:04:33] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:04:43] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:05:31] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:05:33] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:05:39] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:05:41] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:05:56] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:05:59] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:00] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:01] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:02] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:04] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:07] [DB_QUERY_ERROR] MSG: Column 'del_yn' in where clause is ambiguous | SQL: SELECT COUNT(*) as cnt FROM lms_enrollment e LEFT JOIN lms_class c ON e.class_id = c.class_id LEFT JOIN lms_course co ON e.course_id = co.course_id LEFT JOIN lms_member m ON e.member_id = m.member_id WHERE del_yn = 'N' | IP: 127.0.0.1
[2026-03-22 03:06:07] [DB_QUERY_ERROR] MSG: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-20, 20' at line 13 | SQL: SELECT e.enroll_id, e.class_id, e.member_id, e.course_id, e.emp_ins_flag, e.enroll_status, e.progress_rate, e.final_score, e.pass_yn, e.pass_date, e.enroll_date, e.created_at, m.user_name, m.user_id, m.email, co.course_title, co.course_code, c.class_year, c.class_seq, c.learn_start_date, c.learn_end_date FROM lms_enrollment e LEFT JOIN lms_class c ON e.class_id = c.class_id LEFT JOIN lms_course co ON e.course_id = co.course_id LEFT JOIN lms_member m ON e.member_id = m.member_id WHERE del_yn = 'N' ORDER BY e.created_at DESC LIMIT -20, 20 | IP: 127.0.0.1
[2026-03-22 03:06:07] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:09] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:14] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:16] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:16] [DB_QUERY_ERROR] MSG: Unknown column 'tpl_content' in 'field list' | SQL:  SELECT tpl_id, tpl_name, send_type, tpl_content FROM lms_notification_tpl WHERE use_yn = 'Y' ORDER BY tpl_name  | IP: 127.0.0.1
[2026-03-22 03:06:19] [DB_QUERY_ERROR] MSG: Unknown column 'join_type' in 'field list' | SQL: SELECT member_id, user_id, user_name, email, mobile_display, join_type, status, last_login_at, created_at FROM lms_member WHERE 1=1 ORDER BY created_at DESC LIMIT 0, 20 | IP: 127.0.0.1
[2026-03-22 03:06:19] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:21] [DB_QUERY_ERROR] MSG: Unknown column 'join_type' in 'field list' | SQL: SELECT member_id, user_id, user_name, email, mobile_display, join_type, status, last_login_at, created_at FROM lms_member WHERE 1=1 ORDER BY created_at DESC LIMIT 0, 20 | IP: 127.0.0.1
[2026-03-22 03:06:21] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:22] [DB_QUERY_ERROR] MSG: Unknown column 'class_name' in 'field list' | SQL: SELECT class_id, class_name FROM lms_class WHERE del_yn = 'N' ORDER BY class_name | IP: 127.0.0.1
[2026-03-22 03:06:22] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:28] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:30] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:41] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:51] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:56] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:06:58] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:00] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:06] [DB_QUERY_ERROR] MSG: Column 'del_yn' in where clause is ambiguous | SQL:  SELECT t.*, a.admin_name FROM lms_template t LEFT JOIN lms_admin a ON t.reg_admin_id = a.admin_id WHERE del_yn='N' ORDER BY t.tpl_type ASC, t.sort_order ASC, t.tpl_id ASC LIMIT 0, 20 | IP: 127.0.0.1
[2026-03-22 03:07:06] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:13] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:22] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:42] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:44] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:46] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:47] [DB_QUERY_ERROR] MSG: Column 'del_yn' in where clause is ambiguous | SQL: SELECT COUNT(*) as cnt FROM lms_enrollment e LEFT JOIN lms_class c ON e.class_id = c.class_id LEFT JOIN lms_course co ON e.course_id = co.course_id LEFT JOIN lms_member m ON e.member_id = m.member_id WHERE del_yn = 'N' | IP: 127.0.0.1
[2026-03-22 03:07:47] [DB_QUERY_ERROR] MSG: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-20, 20' at line 13 | SQL: SELECT e.enroll_id, e.class_id, e.member_id, e.course_id, e.emp_ins_flag, e.enroll_status, e.progress_rate, e.final_score, e.pass_yn, e.pass_date, e.enroll_date, e.created_at, m.user_name, m.user_id, m.email, co.course_title, co.course_code, c.class_year, c.class_seq, c.learn_start_date, c.learn_end_date FROM lms_enrollment e LEFT JOIN lms_class c ON e.class_id = c.class_id LEFT JOIN lms_course co ON e.course_id = co.course_id LEFT JOIN lms_member m ON e.member_id = m.member_id WHERE del_yn = 'N' ORDER BY e.created_at DESC LIMIT -20, 20 | IP: 127.0.0.1
[2026-03-22 03:07:47] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:48] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:49] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:07:49] [DB_QUERY_ERROR] MSG: Unknown column 'tpl_content' in 'field list' | SQL:  SELECT tpl_id, tpl_name, send_type, tpl_content FROM lms_notification_tpl WHERE use_yn = 'Y' ORDER BY tpl_name  | IP: 127.0.0.1
[2026-03-22 03:08:45] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:08:52] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 03:09:27] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'where clause' | SQL:  SELECT COUNT(DISTINCT co.course_id) AS c FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' | IP: 127.0.0.1
[2026-03-22 03:09:27] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.course_summary, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, co.created_at, ca.category_name, COUNT(DISTINCT e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn='N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn='N' WHERE co.use_yn='Y' AND co.del_yn='N' GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 0, 12 | IP: 127.0.0.1
[2026-03-22 03:09:30] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'where clause' | SQL:  SELECT COUNT(DISTINCT co.course_id) AS c FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' AND co.category_id = 1 | IP: 127.0.0.1
[2026-03-22 03:09:30] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.course_summary, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, co.created_at, ca.category_name, COUNT(DISTINCT e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn='N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn='N' WHERE co.use_yn='Y' AND co.del_yn='N' AND co.category_id = 1 GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 0, 12 | IP: 127.0.0.1
[2026-03-22 03:09:31] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'where clause' | SQL:  SELECT COUNT(DISTINCT co.course_id) AS c FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' AND co.category_id = 2 | IP: 127.0.0.1
[2026-03-22 03:09:31] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.course_summary, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, co.created_at, ca.category_name, COUNT(DISTINCT e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn='N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn='N' WHERE co.use_yn='Y' AND co.del_yn='N' AND co.category_id = 2 GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 0, 12 | IP: 127.0.0.1
[2026-03-22 03:09:34] [DB_QUERY_ERROR] MSG: Unknown column 'bp.sort_order' in 'order clause' | SQL:  SELECT bp.post_id, bp.post_title, bp.post_content, bp.created_at FROM lms_board_post bp WHERE bp.board_id = 2 AND bp.del_yn = 'N' ORDER BY bp.sort_order ASC, bp.created_at ASC  | IP: 127.0.0.1
[2026-03-22 04:13:04] [DB_QUERY_ERROR] MSG: Unknown column 'bp.sort_order' in 'order clause' | SQL:  SELECT bp.post_id, bp.post_title, bp.post_content, bp.created_at FROM lms_board_post bp WHERE bp.board_id = 2 AND bp.del_yn = 'N' ORDER BY bp.sort_order ASC, bp.created_at ASC  | IP: 127.0.0.1
[2026-03-22 04:13:07] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'where clause' | SQL:  SELECT COUNT(DISTINCT co.course_id) AS c FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' | IP: 127.0.0.1
[2026-03-22 04:13:07] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.course_summary, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, co.created_at, ca.category_name, COUNT(DISTINCT e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn='N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn='N' WHERE co.use_yn='Y' AND co.del_yn='N' GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 0, 12 | IP: 127.0.0.1
[2026-03-22 04:13:16] [DB_QUERY_ERROR] MSG: Unknown column 'bp.sort_order' in 'order clause' | SQL:  SELECT bp.post_id, bp.post_title, bp.post_content, bp.created_at FROM lms_board_post bp WHERE bp.board_id = 2 AND bp.del_yn = 'N' ORDER BY bp.sort_order ASC, bp.created_at ASC  | IP: 127.0.0.1
[2026-03-22 04:13:45] [DB_QUERY_ERROR] MSG: Unknown column 'use_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_course WHERE use_yn='Y' AND del_yn='N' | IP: 127.0.0.1
[2026-03-22 04:13:45] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_member WHERE del_yn='N' | IP: 127.0.0.1
[2026-03-22 04:13:45] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, ca.category_name, COUNT(e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn = 'N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn = 'N' WHERE co.use_yn='Y' AND co.del_yn='N' GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 8  | IP: 127.0.0.1
[2026-03-22 04:13:45] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, ca.category_name FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' ORDER BY co.created_at DESC LIMIT 4  | IP: 127.0.0.1
[2026-03-22 04:13:45] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'on clause' | SQL:  SELECT ca.category_id, ca.category_name, COUNT(co.course_id) AS course_cnt FROM lms_category ca LEFT JOIN lms_course co ON co.category_id = ca.category_id AND co.use_yn='Y' AND co.del_yn='N' WHERE ca.use_yn='Y' GROUP BY ca.category_id ORDER BY ca.sort_order ASC LIMIT 8  | IP: 127.0.0.1
[2026-03-22 05:48:55] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:48:58] [DB_QUERY_ERROR] MSG: Column 'del_yn' in where clause is ambiguous | SQL: SELECT COUNT(*) as cnt FROM lms_enrollment e LEFT JOIN lms_class c ON e.class_id = c.class_id LEFT JOIN lms_course co ON e.course_id = co.course_id LEFT JOIN lms_member m ON e.member_id = m.member_id WHERE del_yn = 'N' | IP: 127.0.0.1
[2026-03-22 05:48:58] [DB_QUERY_ERROR] MSG: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-20, 20' at line 13 | SQL: SELECT e.enroll_id, e.class_id, e.member_id, e.course_id, e.emp_ins_flag, e.enroll_status, e.progress_rate, e.final_score, e.pass_yn, e.pass_date, e.enroll_date, e.created_at, m.user_name, m.user_id, m.email, co.course_title, co.course_code, c.class_year, c.class_seq, c.learn_start_date, c.learn_end_date FROM lms_enrollment e LEFT JOIN lms_class c ON e.class_id = c.class_id LEFT JOIN lms_course co ON e.course_id = co.course_id LEFT JOIN lms_member m ON e.member_id = m.member_id WHERE del_yn = 'N' ORDER BY e.created_at DESC LIMIT -20, 20 | IP: 127.0.0.1
[2026-03-22 05:48:58] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:49:06] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:49:18] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:49:26] [DB_QUERY_ERROR] MSG: Unknown column 'r.tpl_id' in 'on clause' | SQL:  SELECT r.*, t.tpl_name FROM lms_notification_rule r LEFT JOIN lms_notification_tpl t ON r.tpl_id = t.tpl_id ORDER BY r.trigger_type, r.trigger_value  | IP: 127.0.0.1
[2026-03-22 05:49:26] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:49:31] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_member WHERE del_yn = 'N' | IP: 127.0.0.1
[2026-03-22 05:49:31] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_member WHERE del_yn = 'N' AND DATE(created_at) = CURDATE() | IP: 127.0.0.1
[2026-03-22 05:49:31] [DB_QUERY_ERROR] MSG: Unknown column 'c.del_yn' in 'where clause' | SQL:  SELECT c.course_id, c.course_title, COUNT(DISTINCT e.member_id) AS enroll_cnt, SUM(CASE WHEN e.pass_yn = 'Y' THEN 1 ELSE 0 END) AS complete_cnt FROM lms_course c LEFT JOIN lms_enrollment e ON c.course_id = e.course_id AND e.del_yn = 'N' WHERE c.del_yn = 'N' GROUP BY c.course_id, c.course_title ORDER BY enroll_cnt DESC LIMIT 10  | IP: 127.0.0.1
[2026-03-22 05:49:31] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:49:51] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:49:56] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_member WHERE del_yn = 'N' | IP: 127.0.0.1
[2026-03-22 05:49:56] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_member WHERE del_yn = 'N' AND DATE(created_at) = CURDATE() | IP: 127.0.0.1
[2026-03-22 05:49:56] [DB_QUERY_ERROR] MSG: Unknown column 'c.del_yn' in 'where clause' | SQL:  SELECT c.course_id, c.course_title, COUNT(DISTINCT e.member_id) AS enroll_cnt, SUM(CASE WHEN e.pass_yn = 'Y' THEN 1 ELSE 0 END) AS complete_cnt FROM lms_course c LEFT JOIN lms_enrollment e ON c.course_id = e.course_id AND e.del_yn = 'N' WHERE c.del_yn = 'N' GROUP BY c.course_id, c.course_title ORDER BY enroll_cnt DESC LIMIT 10  | IP: 127.0.0.1
[2026-03-22 05:49:56] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Table 'db_lms_area.api_enroll_hist' doesn't exist | SQL:  SELECT COUNT(*) AS total_cnt, SUM(CASE WHEN SEND = 1 THEN 1 ELSE 0 END) AS success_cnt, SUM(CASE WHEN SEND = -1 THEN 1 ELSE 0 END) AS fail_cnt, SUM(CASE WHEN SEND = 0 THEN 1 ELSE 0 END) AS wait_cnt, SUM(CASE WHEN SEND = -2 THEN 1 ELSE 0 END) AS cancel_cnt FROM API_ENROLL_HIST | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Table 'db_lms_area.api_progress_hist' doesn't exist | SQL:  SELECT COUNT(*) AS total_cnt, SUM(CASE WHEN SEND = 1 THEN 1 ELSE 0 END) AS success_cnt, SUM(CASE WHEN SEND = -1 THEN 1 ELSE 0 END) AS fail_cnt, SUM(CASE WHEN SEND = 0 THEN 1 ELSE 0 END) AS wait_cnt, SUM(CASE WHEN SEND = -2 THEN 1 ELSE 0 END) AS cancel_cnt FROM API_PROGRESS_HIST | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Table 'db_lms_area.api_complete_hist' doesn't exist | SQL:  SELECT COUNT(*) AS total_cnt, SUM(CASE WHEN SEND = 1 THEN 1 ELSE 0 END) AS success_cnt, SUM(CASE WHEN SEND = -1 THEN 1 ELSE 0 END) AS fail_cnt, SUM(CASE WHEN SEND = 0 THEN 1 ELSE 0 END) AS wait_cnt, SUM(CASE WHEN SEND = -2 THEN 1 ELSE 0 END) AS cancel_cnt FROM API_COMPLETE_HIST | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Table 'db_lms_area.api_absence_hist' doesn't exist | SQL:  SELECT COUNT(*) AS total_cnt, SUM(CASE WHEN SEND = 1 THEN 1 ELSE 0 END) AS success_cnt, SUM(CASE WHEN SEND = -1 THEN 1 ELSE 0 END) AS fail_cnt, SUM(CASE WHEN SEND = 0 THEN 1 ELSE 0 END) AS wait_cnt, SUM(CASE WHEN SEND = -2 THEN 1 ELSE 0 END) AS cancel_cnt FROM API_ABSENCE_HIST | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Unknown column 'created_at' in 'field list' | SQL:  SELECT DATE(created_at) AS dt, COUNT(*) AS cnt FROM lms_emon_error_log WHERE created_at >= '2026-02-20 00:00:00' AND created_at <= '2026-03-22 23:59:59' GROUP BY DATE(created_at) ORDER BY dt ASC  | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Unknown column 'created_at' in 'where clause' | SQL:  SELECT error_type, COUNT(*) AS cnt FROM lms_emon_error_log WHERE created_at >= '2026-02-20 00:00:00' AND created_at <= '2026-03-22 23:59:59' GROUP BY error_type ORDER BY cnt DESC  | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Unknown column 'el.created_at' in 'where clause' | SQL:  SELECT el.*, '' AS table_label FROM lms_emon_error_log el WHERE el.created_at >= '2026-02-20 00:00:00' AND el.resolved_yn = 'N' ORDER BY el.created_at DESC LIMIT 10  | IP: 127.0.0.1
[2026-03-22 05:50:01] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 05:50:10] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) FROM lms_company_request WHERE del_yn='N' AND status='W' | IP: 127.0.0.1
[2026-03-22 08:11:30] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'where clause' | SQL:  SELECT COUNT(DISTINCT co.course_id) AS c FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' | IP: 172.84.102.82
[2026-03-22 08:11:30] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.course_summary, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, co.created_at, ca.category_name, COUNT(DISTINCT e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn='N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn='N' WHERE co.use_yn='Y' AND co.del_yn='N' GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 0, 12 | IP: 172.84.102.82
[2026-03-22 09:02:18] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'where clause' | SQL:  SELECT COUNT(DISTINCT co.course_id) AS c FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' | IP: 172.105.82.111
[2026-03-22 09:02:18] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.course_summary, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, co.created_at, ca.category_name, COUNT(DISTINCT e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn='N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn='N' WHERE co.use_yn='Y' AND co.del_yn='N' GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 0, 12 | IP: 172.105.82.111
[2026-03-22 23:56:36] [DB_QUERY_ERROR] MSG: Unknown column 'use_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_course WHERE use_yn='Y' AND del_yn='N' | IP: 127.0.0.1
[2026-03-22 23:56:36] [DB_QUERY_ERROR] MSG: Unknown column 'del_yn' in 'where clause' | SQL: SELECT COUNT(*) AS c FROM lms_member WHERE del_yn='N' | IP: 127.0.0.1
[2026-03-22 23:56:36] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, co.pass_min_progress, ca.category_name, COUNT(e.enroll_id) AS enroll_cnt FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id LEFT JOIN lms_class cl ON cl.course_id = co.course_id AND cl.del_yn = 'N' LEFT JOIN lms_enrollment e ON e.class_id = cl.class_id AND e.del_yn = 'N' WHERE co.use_yn='Y' AND co.del_yn='N' GROUP BY co.course_id ORDER BY enroll_cnt DESC, co.created_at DESC LIMIT 8  | IP: 127.0.0.1
[2026-03-22 23:56:36] [DB_QUERY_ERROR] MSG: Unknown column 'co.course_type' in 'field list' | SQL:  SELECT co.course_id, co.course_title, co.thumb_image, co.course_type, co.price_sale, co.total_time, co.content_count, ca.category_name FROM lms_course co LEFT JOIN lms_category ca ON co.category_id = ca.category_id WHERE co.use_yn='Y' AND co.del_yn='N' ORDER BY co.created_at DESC LIMIT 4  | IP: 127.0.0.1
[2026-03-22 23:56:36] [DB_QUERY_ERROR] MSG: Unknown column 'co.use_yn' in 'on clause' | SQL:  SELECT ca.category_id, ca.category_name, COUNT(co.course_id) AS course_cnt FROM lms_category ca LEFT JOIN lms_course co ON co.category_id = ca.category_id AND co.use_yn='Y' AND co.del_yn='N' WHERE ca.use_yn='Y' GROUP BY ca.category_id ORDER BY ca.sort_order ASC LIMIT 8  | IP: 127.0.0.1