Trying to stop RockOn: ztask daemon is not running and could not be started

Brief description of the problem

When trying to stop a running rock on, I get the error:

ztask daemon is not running and could not be started

Detailed step by step instructions to reproduce the problem

Log in
Go to Rock Ons
Try and stop a Rock On.

Web-UI screenshot

Error Traceback provided on the Web-UI

Traceback (most recent call last): File "/opt/rockstor/eggs/gunicorn-19.7.1-py2.7.egg/gunicorn/workers/sync.py", line 68, in run_for_one self.accept(listener) File "/opt/rockstor/eggs/gunicorn-19.7.1-py2.7.egg/gunicorn/workers/sync.py", line 27, in accept client, addr = listener.accept() File "/usr/lib64/python2.7/socket.py", line 202, in accept sock, addr = self._sock.accept() error: [Errno 11] Resource temporarily unavailable