Git push error

Git push error

git push -u origin master
Counting objects: 3, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 336 bytes | 0 bytes/s, done.
Total 3 (delta 0), reused 0 (delta 0)

Notifying Redmine about changes to this repository : 'inventopy/inventopy_src' ...
  - Error while notifying Redmine ! (status code: 301)

Looking for additional global post-receive hooks...
  - Global hooks found : ["hooks/post-receive.d/mail_notifications"]

Looking for additional local post-receive hooks...
  - No local hooks found

Calling additional post-receive hooks...
  - Executing extra hook 'hooks/post-receive.d/mail_notifications'
    multimailhook is disabled

To ssh://[email protected]/inventopy/inventopy_src.git
   4107bb7..e081793  master -> master
Branch master set up to track remote branch master from origin by rebasing.