No video recording: Unable to find an available Jibri. Please help!

Hi, I am setting up jitsi meet and jibri on seperate machines and can not get recording working, with voice promt “The recording has stoped!” and orange sign Recording failed to start.
From jicofo.log:
Jicofo 2020-09-02 15:07:37.325 SEVERE: [182] org.jitsi.jicofo.recording.jibri.JibriSession.log() Unable to find an available Jibri, can’t start
And from jvb.log:
2020-09-02 15:10:31.028 SEVERE: [28] Health check failed in PT0S:
java.lang.Exception: Address discovery through STUN failed
at org.jitsi.utils.concurrent.RecurringRunnableExecutor.runInThread(
at org.jitsi.utils.concurrent.RecurringRunnableExecutor.access$000(
at org.jitsi.utils.concurrent.RecurringRunnableExecutor$

Please help to understand what have i done wrong with setup.