Warning: Trying to access array offset on value of type bool in /var/www/RDT/controller.php on line 115

Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`exactarget`.`email`, CONSTRAINT `email_ibfk_1` FOREIGN KEY (`id_List_Email`) REFERENCES `list` (`id_List`) ON DELETE CASCADE) in /var/www/RDT/controller.php:162 Stack trace: #0 /var/www/RDT/controller.php(162): PDOStatement->execute() #1 {main} thrown in /var/www/RDT/controller.php on line 162