PHP script '/zhome/client/public_html/app/app_model.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.8.1.lin' to be installed.

1) Click here to download the required 'ixed.8.1.lin' loader from the SourceGuardian site
2) Install the loader to /usr/lib/php/20210902
3) Edit /etc/php/8.1/fpm/php.ini and add 'extension=ixed.8.1.lin' directive
4) Restart the web server