Fatal error: Uncaught Error: Call to undefined function add_action() in /home/antenaserwis/public_html/satserwis/wp-content/plugins/ithemes-security-pro/pro/online-files/class-itsec-online-files.php:15 Stack trace: #0 /home/antenaserwis/public_html/satserwis/wp-content/plugins/ithemes-security-pro/pro/online-files/active.php(6): ITSEC_Online_Files->run() #1 {main} thrown in /home/antenaserwis/public_html/satserwis/wp-content/plugins/ithemes-security-pro/pro/online-files/class-itsec-online-files.php on line 15