Error pushing to remote git

git push
Access denied.
fatal: The remote end hung up unexpectedly

More detailed info:

ssh -vt [email protected]

Log:

[email protected]:~/gitlab$ less ../gitlab-shell/gitlab-shell.log
W, [2014-12-28T14:42:17.051111 #3354]  WARN -- : gitlab-shell: Access denied for git command <git-receive-pack 'root/bash-advanced-scripts.git'> by user with key key-9.
W, [2014-12-28T14:48:25.869656 #4670]  WARN -- : gitlab-shell: Access denied for git command <git-receive-pack 'root/bash-advanced-scripts.git'> by user with key key-9.
E, [2014-12-28T19:10:24.320928 #7340] ERROR -- : API call <POST http://gitfactory.droidzone.in//api/v3/internal/allowed> failed: 401 => <{"message":"401 Unauthorized"}>.
W, [2014-12-28T19:10:24.322391 #7340]  WARN -- : gitlab-shell: Access denied for git command <git-receive-pack 'root/bash-advanced-scripts.git'> by user with key key-9.
E, [2014-12-28T19:11:46.385783 #7368] ERROR -- : API call <GET http://gitfactory.droidzone.in//api/v3/internal/discover?key_id=9> failed: 401 => <{"message":"401 Unauthorized"}>.
E, [2014-12-28T19:12:37.361048 #7978] ERROR -- : API call <GET http://gitfactory.droidzone.in//api/v3/internal/discover?key_id=9> failed: 401 => <{"message":"401 Unauthorized"}>.