PHP script '/home/aryapetr/public_html/khanehto.ir/wp-content/plugins/nasim-city-state/includes/core.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.7.1.' to be installed.

1) Click here to download the required 'ixed.7.1.' loader from the SourceGuardian site
2) Install the loader to /opt/alt/php71/usr/lib64/php/modules
3) Edit /opt/alt/php71/etc/php.ini and add 'extension=ixed.7.1.' directive
4) Restart the web server