Nextcloud Error

Followed the instruction here Instructions
I’m getting the error. Any ideas?

Logger: homeassistant.setup
Source: components/nextcloud/init.py:102
First occurred: 8:11:05 PM (1 occurrences)
Last logged: 8:11:05 PM

Error during setup of component nextcloud
Traceback (most recent call last):
File “/usr/src/homeassistant/homeassistant/setup.py”, line 191, in _async_setup_component
result = await task
File “/usr/local/lib/python3.8/concurrent/futures/thread.py”, line 57, in run
result = self.fn(*self.args, **self.kwargs)
File “/usr/src/homeassistant/homeassistant/components/nextcloud/init.py”, line 102, in setup
hass.data[DOMAIN] = get_data_points(ncm.data)
UnboundLocalError: local variable ‘ncm’ referenced before assignment