Fatal error: Uncaught Error: Call to undefined function add_action() in /home/antenaserwis/public_html/satserwis/wp-content/plugins/ithemes-security-pro/core/modules/404-detection/setup.php:12 Stack trace: #0 /home/antenaserwis/public_html/satserwis/wp-content/plugins/ithemes-security-pro/core/modules/404-detection/setup.php(104): ITSEC_Four_Oh_Four_Setup->__construct() #1 {main} thrown in /home/antenaserwis/public_html/satserwis/wp-content/plugins/ithemes-security-pro/core/modules/404-detection/setup.php on line 12