Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Dashboard_Customizations\add_action() in /home/antenaserwis/public_html/satserwis/wp-content/plugins/jetpack/modules/masterbar/nudges/bootstrap.php:60 Stack trace: #0 {main} thrown in /home/antenaserwis/public_html/satserwis/wp-content/plugins/jetpack/modules/masterbar/nudges/bootstrap.php on line 60