Fatal error: Uncaught Error: Class 'Zend\Validator\Db\AbstractDb' not found in /home/app/htdocs/lidia/vendor/zendframework/zend-validator/src/Db/RecordExists.php:17 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/zendframework/zend-validator/src/Db/RecordExists.php on line 17