Fatal error: Uncaught Error: Interface 'YoastSEO_Vendor\Psr\Http\Message\MessageInterface' not found in C:\wamp64\www\wordpress\wp-content\plugins\wordpress-seo\vendor_prefixed\psr\http-message\src\ResponseInterface.php:20 Stack trace: #0 {main} thrown in C:\wamp64\www\wordpress\wp-content\plugins\wordpress-seo\vendor_prefixed\psr\http-message\src\ResponseInterface.php on line 20