Fatal error: Uncaught Error: Class 'WPCOM_JSON_API_Get_CustomCss_Endpoint' not found in /home/ykraanet/public_html/wp-content/plugins/jetpack/json-endpoints/class.wpcom-json-api-get-customcss.php:8 Stack trace: #0 {main} thrown in /home/ykraanet/public_html/wp-content/plugins/jetpack/json-endpoints/class.wpcom-json-api-get-customcss.php on line 8