Module 'xmlrpc' already loaded

Question is if it also appears in the “Configure Command” section:

I change the php version to 7.1 and now it’s working…

That doesn’t sound like a good idea, because 7.1 only has another 24 days until it runs out of security support:

https://www.php.net/supported-versions.php

Better contact your provider to find out how to solve this issue.