Fatal error: Interface 'Doctrine\DBAL\Schema\Visitor\Visitor' not found in /var/www/html/dev/spa/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Visitor/AbstractVisitor.php on line 34

Call Stack:
    0.0004     236296   1. {main}() /var/www/html/dev/spa/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Visitor/AbstractVisitor.php:0