Fatal error: Uncaught Error: Interface "Zend_Validate_Interface" not found in /var/www/crm_killing_ninja/vendor/zf1/zend-validate/library/Zend/Validate.php:33 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/zf1/zend-validate/library/Zend/Validate.php on line 33