Fatal error: Uncaught Error: Class 'WordPress\AiClient\Common\AbstractDataTransferObject' not found in /services/http/users/m/messrsch/wordpress/wp-includes/php-ai-client/src/Messages/DTO/Message.php:26 Stack trace: #0 {main} thrown in /services/http/users/m/messrsch/wordpress/wp-includes/php-ai-client/src/Messages/DTO/Message.php on line 26