Fatal error: Uncaught Error: Class 'IXR_Server' not found in C:\Websites\void.st\public\wp-includes\IXR\class-IXR-introspectionserver.php:9
Stack trace:
#0 {main}
thrown in C:\Websites\void.st\public\wp-includes\IXR\class-IXR-introspectionserver.php on line 9