Fatal error: Uncaught mysqli_sql_exception: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'wbrabind_rabisaraniarchive.tbl_event_master.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by in /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/system/database/drivers/mysqli/mysqli_driver.php:179 Stack trace: #0 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/system/database/drivers/mysqli/mysqli_driver.php(179): mysqli_query() #1 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/system/database/DB_driver.php(457): CI_DB_mysqli_driver->_execute() #2 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/system/database/DB_driver.php(303): CI_DB_driver->simple_query() #3 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/application/models/search_model.php(46): CI_DB_driver->query() #4 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/application/controllers/before_event.php(46): Search_model->get_before_year_groupby() #5 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/application/controllers/before_event.php(31): Before_event->all_event_list_year_wise() #6 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/system/core/CodeIgniter.php(339): Before_event->index() #7 /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/index.php(207): require_once('...') #8 {main} thrown in /var/www/rabindratirtha-wbhidcoltd.co.in/public_html/Rabisarani/system/database/drivers/mysqli/mysqli_driver.php on line 179