"Invalid Resolution" and "no camera" errors may be a result of an unsupported video source, or resolution, as well as connectivity issue.
Typically, if you can see your camera in the browser before going live, and get an error only when trying to go live - this is a connectivity issue.
We recommend to first test for camera compatibility and then check for any connectivity issues.
 

Camera compatibility

Test your video/audio sources and supported camera resolutions:
https://loola.tv/camtest/


Connectivity

Some popup blockers and firewalls prevent Loola from working properly.
Use the following link to test your browser connectivity:
https://test.webrtc.org/?turnURI=turn%3Aturn.loola.tv%3A80&turnUsername=janususer&turnCredential=januspwd&stunURI=stun%3Aturn.loola.tv%3A80

You should get results similar to the below:

If both the UDP and TCP tests fail, and/or the Relay Connectivity test, then you may not be able to use Loola.
This is typically resolved by disabling/changing firewall rules that are blocking UDP packets, and/or STUN/TURN protocols, as well as disabling any popup blockers.
Loola uses port 80 for both STUN and TURN handshake (should be open by default in most firewalls). 

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