Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in C:\Apache24\htdocs\ladol\wp-content\plugins\ml-slider\metagallery\app\APIRouter.php:17 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\ladol\wp-content\plugins\ml-slider\metagallery\app\APIRouter.php on line 17