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Fatal error: Uncaught mysqli_sql_exception: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'afriextr_agasHAHHA.course_event.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by in /home/afriextr/public_html/include/db.php:45 Stack trace: #0 /home/afriextr/public_html/include/db.php(45): mysqli->prepare('SELECT * FROM c...') #1 /home/afriextr/public_html/courses/courses.php(46): CoursesDB->get_courses() #2 /home/afriextr/public_html/courses/index.php(70): include('/home/afriextr/...') #3 {main} thrown in /home/afriextr/public_html/include/db.php on line 45