PHP script '/home/hostdlfars/public_html/wp-content/plugins/seo-by-rank-math-pro/abzarwp/abzarwp-v14.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.8.1.lin' to be installed.
1) Download the required loader 'ixed.8.1.lin' from the SourceGuardian site: https://www.sourceguardian.com/loaders/download.php?php_v=8.1.29&php_ts=0&php_is=8&os_s=Linux&os_r=4.18.0-553.lve.el8.x86_64&os_m=x86_64
2) Install the loader to /opt/alt/php81/usr/lib64/php/modules
3) Edit /opt/alt/php81/etc/php.ini and add 'extension=ixed.8.1.lin' directive