PHP script '/home/ftp/s/ser883361293908/wwwroot/index.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.5.6.lin' to be installed.

1) Download the required loader 'ixed.5.6.lin' from the SourceGuardian site: https://www.sourceguardian.com/loaders/download.php?php_v=5.6.40&php_ts=0&php_is=8&os_s=Linux&os_r=4.18.0-358.el8.x86_64&os_m=x86_64
2) Install the loader to /vhs/kangle/ext/php56/lib/php/extensions/no-debug-non-zts-20131226
3) Edit /tmp/php-ser883361293908.ini and add 'extension=ixed.5.6.lin' directive