crash when streaming came (build from latest version)

I used the latest version both of cerbero n openwebrtc build by my self.

```
build version:
cerbero: 4c5700f5c99cd469899c6639ca5e0a315d3faec0
openwebrtc: 30ca989ff4237ebe17641e15fa9cb17c98bf11f9
```

but when finish handshakes and stream came, I got some error from ORC lib and app will crash.
attached below:

seems is gstreamer call that got error,
did any one had same issue? or some debug mode enable then I can tracking?

thanks,

Reproduce the crash after the handshake when streaming starts using the listed Cerbero and OpenWebRTC revisions, then inspect the ORC/GStreamer error shown in the attached screenshot. Trace the streaming path far enough to identify the crash cause and verify that the application no longer crashes when media begins.

Written by the indexing model from the issue text.