WebRTC not working with simple push

[irg1008]

I get the next output:

s, avg 0KB/s up 0KB/s down. Tags: [UA:Mozilla/5.0 (OBS-Studio/30.2.3; Windows x86_64; es-ES)]

[2024-10-02 12:07:50] MistController (8) STRM: Updated stream whip

[2024-10-02 12:08:18] MistOutWebRTC:whip (198) WARN: No SDP::MediaFormat found for encoding name RED.

[2024-10-02 12:08:18] MistOutWebRTC:whip (198) WARN: No SDP::MediaFormat found for encoding name ULPFEC.

[2024-10-02 12:08:47] MistController (8) ACCS: Session <I467fbc416726d4326dd3b98ef0dfcaa700bf3f8b264b80dc3e6b0c525c0afa71> whip (INPUT:WebRTC) from 172.22.0.1 ended after 27s, avg 0KB/s up 0KB/s down.

I am just following the OBS WebRTC Example

After 27s the server disconnects the streaming after "waiting for data"

My OBS and mistserver config looks like: