Archivematica Storage Service

The error in the storage_service.log is:

ERROR 2016-09-05 20:02:22 django.request:base:handle_uncaught_exception:256: Internal Server Error: /administration/version/
Traceback (most recent call last):
File "/usr/lib/python2.7/archivematica/storage-service/lib/python2.7/site-packages/django/core/handlers/base.py", line 132, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/share/archivematica/storage-service/administration/views.py", line 41, in version_view
'git_commit': get_git_commit()})
File "/usr/share/archivematica/storage-service/administration/views.py", line 34, in get_git_commit
return subprocess.check_output(['git', 'rev-parse', 'HEAD'])
File "/usr/lib64/python2.7/subprocess.py", line 568, in check_output
process = Popen(stdout=PIPE, *popenargs, **kwargs)
File "/usr/lib64/python2.7/subprocess.py", line 711, in init
errread, errwrite)
File "/usr/lib64/python2.7/subprocess.py", line 1327, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory