Fatal error: Uncaught mysqli_sql_exception: Cannot delete or update a parent row: a foreign key constraint fails (`u559533169_cach`.`purchase_orders`, CONSTRAINT `po_supplier_fk` FOREIGN KEY (`supplier_id`) REFERENCES `suppliers` (`id`)) in /home/u559533169/domains/sarprog.com/public_html/shopQ/suppliers/delete.php:36 Stack trace: #0 /home/u559533169/domains/sarprog.com/public_html/shopQ/suppliers/delete.php(36): mysqli_stmt->execute() #1 {main} thrown in /home/u559533169/domains/sarprog.com/public_html/shopQ/suppliers/delete.php on line 36