Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Extensions\Premium_Content\add_action() in /var/www/html/skarbysmaku/wp-content/plugins/jetpack/extensions/blocks/premium-content/_inc/subscription-service/include.php:33 Stack trace: #0 /var/www/html/skarbysmaku/wp-content/plugins/jetpack/extensions/blocks/premium-content/_inc/access-check.php(12): require_once() #1 /var/www/html/skarbysmaku/wp-content/plugins/jetpack/extensions/blocks/premium-content/premium-content.php(13): require_once('...') #2 {main} thrown in /var/www/html/skarbysmaku/wp-content/plugins/jetpack/extensions/blocks/premium-content/_inc/subscription-service/include.php on line 33