Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /home/cleangre/public_html/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-import/src/endpoints/class-start.php:20 Stack trace: #0 {main} thrown in /home/cleangre/public_html/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-import/src/endpoints/class-start.php on line 20