Deprecated: class_exists(): Passing null to parameter #1 ($class) of type string is deprecated

[tiefenb]

I'm getting this with PHP 8.2.x

Deprecated: class_exists(): Passing null to parameter #1 ($class) of type string is deprecated in /var/www/html/site/modules/ProcessGraphQL/src/Utils.php on line 204
{"errors":[{"message":"Syntax Error: Unexpected \u003CEOF\u003E","locations":[{"line":1,"column":1}],"extensions":{"file":"\/var\/www\/html\/site\/modules\/ProcessGraphQL\/vendor\/webonyx\/graphql-php\/src\/Language\/Parser.php","line":433}}]}

[tiefenb]

I have added a suggest fix as PR: https://github.com/dadish/ProcessGraphQL/compare/main...tiefenb:ProcessGraphQL:patch-3