Fatal error: Uncaught Error: Interface "GraphQL\Language\AST\TypeSystemDefinitionNode" not found in /usr/home/thecybulski/domains/thecybulski.usermd.net/public_html/vendor/webonyx/graphql-php/src/Language/AST/TypeExtensionNode.php:16
Stack trace:
#0 {main}
  thrown in /usr/home/thecybulski/domains/thecybulski.usermd.net/public_html/vendor/webonyx/graphql-php/src/Language/AST/TypeExtensionNode.php on line 16