No third person can be seen

Chrome Console Error: [modules/RTC/BridgeChannel.js] <e.value>: Bridge Channel send: no opened channel.

JVB Warn: org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with b7e8b4b8 not ready yet

JVB Warn: org.jitsi.videobridge.EndpointMessageTransport.log() No available transport channel, can’t send a message

JVB Serious: org.jitsi.videobridge.SctpConnection.log() Error accepting SCTP connection conf_id=af9b9dce611b4951,content=data,ch_id=b031a44546978867,endp_id=743f2291
java.util.concurrent.RejectedExecutionException: shutdown
at org.jitsi.impl.osgi.framework.AsyncExecutor.submit(AsyncExecutor.java:205)
at org.jitsi.impl.osgi.framework.AsyncExecutor.execute(AsyncExecutor.java:64)
at org.jitsi.videobridge.SctpConnection.acceptIncomingSctpConnection(SctpConnection.java:1255)
at org.jitsi.impl.osgi.framework.AsyncExecutor.runInThread(AsyncExecutor.java:122)
at org.jitsi.impl.osgi.framework.AsyncExecutor.access$000(AsyncExecutor.java:28)
at org.jitsi.impl.osgi.framework.AsyncExecutor$1.run(AsyncExecutor.java:231)

search for UDP/10000