Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'traffic_ai.traffic_events.ts' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by in D:\laragon\www\cam.dno.vn\dashboard.php:12 Stack trace: #0 D:\laragon\www\cam.dno.vn\dashboard.php(12): PDOStatement->execute(Array) #1 {main} thrown in D:\laragon\www\cam.dno.vn\dashboard.php on line 12