If you faced this error in WHM >> RVsitebuilder Manager

Try to SSH to the server as root and run

     perl /var/cpanel/rvglobalsoft/rvsitebuilder/panelmenus/cpanel/scripts/autofixphpini.pl

If it cannot fix, please run the following command to see the result.

     lsattr /usr/local/cpanel/3rdparty/etc/php.ini

If you found the result is  -----a------- , please run command

     chattr -a /usr/local/cpanel/3rdparty/etc/php.ini

And try to run autofix again

     perl /var/cpanel/rvglobalsoft/rvsitebuilder/panelmenus/cpanel/scripts/autofixphpini.pl

If you found the result is  -----i------- , please run command

     chattr -i /usr/local/cpanel/3rdparty/etc/php.ini

And run:

     perl /var/cpanel/rvglobalsoft/rvsitebuilder/panelmenus/cpanel/scripts/autofixphpini.pl