Fatal error: Uncaught Error: Call to undefined function add_action() in /home/workings/public_html/hidden/wp-content/plugins/jetpack/3rd-party/domain-mapping.php:34 Stack trace: #0 /home/workings/public_html/hidden/wp-content/plugins/jetpack/3rd-party/domain-mapping.php(27): Jetpack_3rd_Party_Domain_Mapping->__construct() #1 /home/workings/public_html/hidden/wp-content/plugins/jetpack/3rd-party/domain-mapping.php(113): Jetpack_3rd_Party_Domain_Mapping::init() #2 {main} thrown in /home/workings/public_html/hidden/wp-content/plugins/jetpack/3rd-party/domain-mapping.php on line 34