Pushes are rejected (pre-receive hook declined) since upgrade to 13.11
Since the upgrade to 13.11 yesterday, pushes are rejected:
$ git push --all --verbose && git push --tags
Pushing to email@example.com:debian-gis-team/gpsprune.git
Enter passphrase for key '/home/bas/.ssh/id_rsa':
Enumerating objects: 152, done.
Counting objects: 100% (113/113), done.
Delta compression using up to 4 threads
Compressing objects: 100% (66/66), done.
Writing objects: 100% (68/68), 52.54 KiB | 5.84 MiB/s, done.
Total 68 (delta 50), reused 0 (delta 0)
remote: GitLab: 500 Internal Server Error
= [up to date] buster-backports -> buster-backports
= [up to date] master -> master
! [remote rejected] experimental -> experimental (pre-receive hook
! [remote rejected] pristine-tar -> pristine-tar (pre-receive hook
! [remote rejected] upstream -> upstream (pre-receive hook declined)
updating local tracking ref 'refs/remotes/origin/buster-backports'
updating local tracking ref 'refs/remotes/origin/master'
error: failed to push some refs to
What is causing the pre-receive hook to fail?
GPG Key ID: 4096R/6750F10AE88D4AF1
Fingerprint: 8182 DE41 7056 408D 6146 50D1 6750 F10A E88D 4AF1