@rootii, where you able to fix this issue yet?
I might have a similar issue:
https://talk.plesk.com/threads/git-extension-installation-error-and-command-git-does-not-found.370644/
I tried installing the Git extension (Git), but it returned the following error: "Could not install the Git extension".
The extension does show up in the menu, but when I try to add a remote repository (Github via the SSH protocol) it returns the error: "Command git does not found".
I've...