Fatal error: Uncaught Error: Call to undefined function add_action() in /var/www/html/skarbysmaku/wp-content/plugins/jetpack/modules/wpcom-block-editor/class-jetpack-wpcom-block-editor.php:49 Stack trace: #0 /var/www/html/skarbysmaku/wp-content/plugins/jetpack/modules/wpcom-block-editor/class-jetpack-wpcom-block-editor.php(38): Jetpack_WPCOM_Block_Editor->__construct() #1 /var/www/html/skarbysmaku/wp-content/plugins/jetpack/modules/wpcom-block-editor/class-jetpack-wpcom-block-editor.php(621): Jetpack_WPCOM_Block_Editor::init() #2 {main} thrown in /var/www/html/skarbysmaku/wp-content/plugins/jetpack/modules/wpcom-block-editor/class-jetpack-wpcom-block-editor.php on line 49