Fatal error: Uncaught mysqli_sql_exception: Cannot delete or update a parent row: a foreign key constraint fails (`u897337159_kadercare`.`regions`, CONSTRAINT `regions_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `regions` (`id`)) in /home/u897337159/domains/gerlanmanu.net/public_html/KaderCare_root/app/Controllers/MasterdataController.php:179 Stack trace: #0 /home/u897337159/domains/gerlanmanu.net/public_html/KaderCare_root/app/Controllers/MasterdataController.php(179): mysqli_stmt->execute() #1 /home/u897337159/domains/gerlanmanu.net/public_html/KaderCare_root/app/Core/Router.php(136): Controllers\MasterdataController->delete() #2 /home/u897337159/domains/gerlanmanu.net/public_html/KaderCare_web/index.php(21): Core\Router->run() #3 {main} thrown in /home/u897337159/domains/gerlanmanu.net/public_html/KaderCare_root/app/Controllers/MasterdataController.php on line 179