Fatal error: Uncaught Error: Call to undefined function add_action() in /home/antenaserwis/public_html/satserwis/wp-content/plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php:24
Stack trace:
#0 {main}
thrown in /home/antenaserwis/public_html/satserwis/wp-content/plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php on line 24