Fatal error: Class 'Doctrine\DBAL\Schema\AbstractSchemaManager' not found in /var/www/html/dev/spa/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/DrizzleSchemaManager.php on line 28

Call Stack:
    0.0005     250176   1. {main}() /var/www/html/dev/spa/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/DrizzleSchemaManager.php:0