Fatal error: Uncaught Error: Interface "Smush_Vendor\Psr\Http\Message\UriInterface" not found in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/wp-smushit/vendor_prefixed/guzzlehttp/psr7/src/Uri.php:15 Stack trace: #0 {main} thrown in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/wp-smushit/vendor_prefixed/guzzlehttp/psr7/src/Uri.php on line 15