Fatal error: Uncaught Error: Class "PhpParser\NodeVisitorAbstract" not found in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/App/CodeChecker/MigrationSchemaChecker.php:32 Stack trace: #0 {main} thrown in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/App/CodeChecker/MigrationSchemaChecker.php on line 32