Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/antenaserwis/public_html/antenylodz/wp-content/plugins/ithemes-security-pro/core/modules/site-scanner/class-itsec-site-scanner.php:6 Stack trace: #0 /home/antenaserwis/public_html/antenylodz/wp-content/plugins/ithemes-security-pro/core/modules/site-scanner/active.php(5): ITSEC_Site_Scanner->run() #1 {main} thrown in /home/antenaserwis/public_html/antenylodz/wp-content/plugins/ithemes-security-pro/core/modules/site-scanner/class-itsec-site-scanner.php on line 6