Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Extensions\Sharing_Button_Block\add_action() in /var/www/html/skarbysmaku/wp-content/plugins/jetpack/extensions/blocks/sharing-button/sharing-button.php:45 Stack trace: #0 {main} thrown in /var/www/html/skarbysmaku/wp-content/plugins/jetpack/extensions/blocks/sharing-button/sharing-button.php on line 45