Custom element doesn't exist: webrtc-camera

Third party integrations
1

Hi,
I think I have read all of the posts on this topic and I spent hours trying to get this to work, but now comes a time I have to ask for help.
I have the g2rtc version 1.9.7 installed
In HACS, I have added webrtc-camera and I have restarted HA
and under Settings → Dashboards → resources, I have added “hacsfiles/webrtc-camera/webrtc-camera.js” as a JavaScript module and I have restarted HA again

I have cleared my browser
and when I try to add a custom card like this:
type: ‘custom:webrtc-camera’
url: ‘rtsp://rtsp:[email protected]:554/av_stream/ch0’
I get Custom element doesn’t exist: webrtc-camera

When I browse directly to: http://192.168.x.y:8123/hacsfiles/webrtc-camera/webrtc-camera.js, I do see the JS file.
But Lovelace can’t find it.

HA versions

  • Core: 2025.4.4
  • Supervisor: 2025.04.0
  • Frontend: 20250411.0

Any tips are greatly appreciated,
thanks,
/chriV

2

Hi, you have used both installation methods at the same time.

It’s either via HACS or manual by copying the file and creating the reference to the resource.

3

Hi Nick,
thank you for your reply
Well, in the end, yes, I used both methods… in an attempt to get Lovelace to recognize/find/process the JS file.
I have a bit of an a-typical setup, and I must admit that Idon’t fully understand what I’m doing

As a reference, the custom:button-card works fine, so I made sure the webrtc-camera files were (also) in the same location. But that didn’t help.
I also gave the files 777 permissions.

I have the following files

pi@raspberrypi:~ $ find  /usr/share/hassio/homeassistant/ | grep  button-card
/usr/share/hassio/homeassistant/www/button-card.js
/usr/share/hassio/homeassistant/www/community/button-card
/usr/share/hassio/homeassistant/www/community/button-card/button-card.js.gz
/usr/share/hassio/homeassistant/www/community/button-card/button-card.js
find: ‘/usr/share/hassio/homeassistant/volumes/influxdb/data/wal’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/influxdb/data/data/_internal’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/mariadb/config/databases/performance_schema’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/mariadb/config/databases/homeassdb’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/mariadb/config/databases/mysql’: Permission denied

pi@raspberrypi:~ $ find  /usr/share/hassio/homeassistant/ | grep  webrtc-cam
/usr/share/hassio/homeassistant/www/community/webrtc-camera
/usr/share/hassio/homeassistant/www/community/webrtc-camera/webrtc-camera.js
/usr/share/hassio/homeassistant/www/webrtc-camera.js
find: ‘/usr/share/hassio/homeassistant/volumes/influxdb/data/wal’/usr/share/hassio/homeassistant/custom_components/webrtc/www/webrtc-camera.js
: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/influxdb/data/data/_internal’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/mariadb/config/databases/performance_schema’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/mariadb/config/databases/homeassdb’: Permission denied
find: ‘/usr/share/hassio/homeassistant/volumes/mariadb/config/databases/mysql’: Permission denied
pi@raspberrypi:~ $

Further suggestions (from anyone) are always appreciated.
thanks
/chriV

4

I’ve done similar thing! What’s easiest way to undo it?

Cheers
Alan

5

If you have HACS already, it will also notify you for updates.

6

I used HACS to install webrtc camera but it is not advisibng of any updates.

I have unisttalled abnd reinstalled webrtc camera, go2rtc and eufy security but this hasn’t corrcted it.

Also rolled back HA to backup before doing all this and still no joy.

Any other suggestions?

7

try erasing the “v” from the js resource url ie v=3.61.whatever instead of v=v3.61.whatever

2 Likes
8

That was it for me! Thx.