core: ONVIF integration - Unable to add camera

The problem

After updating too 0.117, within ONVIF integration occur an error, so my existing 2nd camera could not be included again. I tried to delete the entity and start automatic inegration again, but the error message will always be:

Logger: homeassistant.components.onvif Source: components/onvif/device.py:121 Integration: ONVIF (documentation, issues) First occurred: 8:16:19 (11 occurrences) Last logged: 8:26:35

Couldn’t connect to camera ‘IPCAM’, but will retry later. Error: Unsupported URL protocol ‘urn’

Environment

arch	aarch64
chassis	embedded
dev	false
docker	true
docker_version	19.03.11
hassio	true
host_os	HassOS 4.15
installation_type	Home Assistant OS
os_name	Linux
os_version	4.19.127-v8
python_version	3.8.6
supervisor	2020.10.0
timezone	Europe/Berlin
version	0.117.2
virtualenv	false

• Home Assistant Core release with the issue: 0.117
• Last working Home Assistant Core release (if known): 0.116.x
• Operating environment (OS/Container/Supervised/Core): Linux/19.03.11/2020.10.0/4.15
• Integration causing this issue: Couldn’t connect to camera ‘IPCAM’, but will retry later. Error: Unsupported URL protocol ‘urn’
• Link to integration documentation on our website: ----

Problem-relevant configuration.yaml

[...]
:ffmpeg

Traceback/Error logs

Logger: homeassistant.components.onvif
Source: components/onvif/device.py:121
Integration: ONVIF (documentation, issues)
First occurred: 8:16:19 (11 occurrences)
Last logged: 8:26:35

Couldn't connect to camera 'IPCAM', but will retry later. Error: Unsupported URL protocol 'urn'

Additional information

maybe a typo in definition file, e.g urn instead of url

Thanks for your great work !!! Regards, Andreas