Fatal error: Uncaught Error: Class "Doctrine\DBAL\Event\SchemaEventArgs" not found in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/doctrine/dbal/src/Event/SchemaAlterTableAddColumnEventArgs.php:17
Stack trace:
#0 {main}
thrown in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/doctrine/dbal/src/Event/SchemaAlterTableAddColumnEventArgs.php on line 17