[Tails-l10n] Build failed in Jenkins: check_PO_master #3991

See <https://jenkins.tails.boum.org/job/check_PO_master/3991/>

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Started by an SCM change
[EnvInject] - Loading node environment variables.
Building remotely on isobuilder2 in workspace <https://jenkins.tails.boum.org/job/check_PO_master/ws/>
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository gitolite@???:tails
> git init <https://jenkins.tails.boum.org/job/check_PO_master/ws/> # timeout=10
Fetching upstream changes from gitolite@???:tails
> git --version # timeout=10
> git -c core.askpass=true fetch --tags --progress gitolite@???:tails +refs/heads/*:refs/remotes/origin/*
> git config remote.origin.url gitolite@???:tails # timeout=10
> git config remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
> git config remote.origin.url gitolite@???:tails # timeout=10
Fetching upstream changes from gitolite@???:tails
> git -c core.askpass=true fetch --tags --progress gitolite@???:tails +refs/heads/*:refs/remotes/origin/*
ERROR: Error fetching remote repo 'origin'
ERROR: Error fetching remote repo 'origin'