--
-- Constraints for table `XXX_acym_user_has_list`
--
ALTER TABLE `XXX_acym_user_has_list`
ADD CONSTRAINT `XXX_fk_acym_user_has_list1` FOREIGN KEY (`user_id`) REFERENCES `XXX_acym_user` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION,
ADD CONSTRAINT `XXX_fk_acym_user_has_list2` FOREIGN KEY (`list_id`) REFERENCES `XXX_acym_list` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION;
MySQL said: Documentation
#1452 - Cannot add or update a child row: a foreign key constraint fails (`XXXXX_db`.`#sql-alter-3fc987-17f6f1c`, CONSTRAINT `XXX_fk_acym_user_has_list1` FOREIGN KEY (`user_id`) REFERENCES `XXX_acym_user` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION)
Any suggestions to fix this error is very welcome
