Fatal error: Uncaught Error: Interface 'Concrete\Core\Foundation\Command\ValidatorInterface' not found in /var/www/html/navirre.com/htdocs/concrete/src/Board/Command/SetBoardCustomWeightingCommandValidator.php:8 Stack trace: #0 {main} thrown in /var/www/html/navirre.com/htdocs/concrete/src/Board/Command/SetBoardCustomWeightingCommandValidator.php on line 8