Modem1905

I've been unable to push to git.


D:\Modem1905_3>git push -v
Pushing to ssh://juvf@git.code.sf.net/p/modem1905/code
Counting objects: 13, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (12/12), done.
Writing objects: 100% (13/13), 15.29 KiB | 1.91 MiB/s, done.
Total 13 (delta 8), reused 0 (delta 0)
remote: error: cannot lock ref 'HEAD': Unable to create '/git/p/modem1905/code.g
it/./HEAD.lock': File exists.
remote:
remote: Another git process seems to be running in this repository, e.g.
remote: an editor opened by 'git commit'. Please make sure all processes
remote: are terminated then try again. If it still fails, a git process
remote: may have crashed in this repository earlier:
remote: remove the file manually to continue.
To ssh://git.code.sf.net/p/modem1905/code
! [remote rejected] master -> master (failed to update ref)
error: failed to push some refs to 'ssh://juvf@git.code.sf.net/p/modem1905/code'

Can you help me?