PHP script '/home2/zuichao2/public_html/idea/wp-content/themes/qux/func/functions.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.7.3.lin' to be installed.

1) Click here to download the required 'ixed.7.3.lin' loader from the SourceGuardian site
2) Install the loader to /opt/alt/php73/usr/lib64/php/modules
3) Edit /opt/alt/php73/etc/php.ini and add 'extension=ixed.7.3.lin' directive
4) Restart the web server