Fatal error: Uncaught Error: Interface "WordPress\AiClientDependencies\Psr\Http\Client\ClientInterface" not found in /big/web/www.nib.st/htdocs/wp-includes/ai-client/adapters/class-wp-ai-client-http-client.php:29 Stack trace: #0 {main} thrown in /big/web/www.nib.st/htdocs/wp-includes/ai-client/adapters/class-wp-ai-client-http-client.php on line 29