Git Push fails after the gitlab upgrade to 7.10

Below is the error for the same

Counting objects: 3, done.
Writing objects: 100% (3/3), 207 bytes | 0 bytes/s, done.
Total 3 (delta 0), reused 0 (delta 0)
remote: /home/git/gitlab-shell/lib/gitlab_config.rb:15:in join': no implicit conversion of nil into String (TypeError) remote: from /home/git/gitlab-shell/lib/gitlab_config.rb:15:in repos_path’
remote: from /home/git/gitlab-shell/lib/gitlab_access.rb:18:in initialize' remote: from hooks/pre-receive:13:in new’
remote: from hooks/pre-receive:13:in `’
To https://git.b2xcare.com/sujit.kumar/demoproject.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to ‘https://git.xyz.com/sujit.kumar/demoproject.git
sujit@sujit-Vostro-270s:~/demoproject$

Please help…

Currently I disabled the OOB pre-commit hook from the system…

Can anyone help, why does default hook hinders my push functionality… ?