When trying to change PHP version for a domain, the following error is shown:
ERROR: Call to a member function getValue() on null (PhpSettings.php:105)
Not all handlers were enabled on the server
Disable all 3rd-party repositories.
Reinstall the PHP versions using Plesk autoinstaller.
Enable all PHP handlers on Tools & Settings > PHP Settings page.
- Update information about all PHP handlers settings
~# plesk bin php_handler --reread