PHP script 'C:\inetpub\vhosts\radin.shop\httpdocs\wp-content\themes\bakala\inc\classes\theme.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.7.4.win' to be installed.

1) Download the required loader 'ixed.7.4.win' from the SourceGuardian site: https://www.sourceguardian.com/loaders/download.php?php_v=7.4.33&php_ts=0&php_is=8&os_s=Windows+NT&os_r=10.0&os_m=AMD64
2) Install the loader to C:\Program Files (x86)\Plesk\Additional\PleskPHP74\ext
3) Edit C:\Program Files (x86)\Plesk\Additional\PleskPHP74\php.ini and add 'extension=ixed.7.4.win' directive