Fatal error: Uncaught mysqli_sql_exception: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'sereincollege_mainportal.courses.course_id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by in /home/sereincollege/public_html/academics-details.php:24 Stack trace: #0 /home/sereincollege/public_html/academics-details.php(24): mysqli_query(Object(mysqli), 'SELECT * FROM c...') #1 {main} thrown in /home/sereincollege/public_html/academics-details.php on line 24