Unable to setup JIGASI Transcription

Trying to setup jitsi and jigasi on Ubuntu. Jitsi is successfully deployed, but facing some issues in jigasi:
(I just want to use video chat and transcription features - not the SIP Calling feature)
Following are the logs (/var/log/jitsi/jicofo.log):

Jicofo 2020-06-04 17:38:38.000 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:38:46.656 INFO: [295] org.jitsi.jicofo.xmpp.FocusComponent.log() Focus request for room: user@your.domain
Jicofo 2020-06-04 17:38:47.102 INFO: [33] org.jitsi.jicofo.ChatRoomRoleAndPresence.log() Chat room event ChatRoomMemberPresenceChangeEvent[type=MemberJoined sourceRoom=org.jitsi.impl.protocol.xmpp.ChatRoomImpl51a61c67 member=ChatMember[user@your.domain/3ec431b0, jid: null]771408747]
Jicofo 2020-06-04 17:38:47.102 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Member user@your.domain/3ec431b0 joined.
Jicofo 2020-06-04 17:38:47.108 INFO: [33] org.jitsi.jicofo.bridge.BridgeSelectionStrategy.log() Selected initial bridge Bridge[jid=jvbbrewery@internal.auth.your.domain/51db3b5b-d34d-44eb-bc48-6ca7ebb2e4de, relayId=null, region=null, stress=0.00] with packetRate=0 for participantRegion=null
Jicofo 2020-06-04 17:38:47.112 INFO: [33] org.jitsi.impl.protocol.xmpp.colibri.OperationSetColibriConferenceImpl.log() Conference created: org.jitsi.impl.protocol.xmpp.colibri.ColibriConferenceImpl6b40a14a
Jicofo 2020-06-04 17:38:47.114 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Added participant jid= user@your.domain/3ec431b0, bridge=jvbbrewery@internal.auth.your.domain/51db3b5b-d34d-44eb-bc48-6ca7ebb2e4de
Jicofo 2020-06-04 17:38:47.114 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Region info, conference=ff4bc0 octo_enabled= false: [[null, null]]
Jicofo 2020-06-04 17:38:47.115 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Added participant jid= user@your.domain/7468afe6, bridge=jvbbrewery@internal.auth.your.domain/51db3b5b-d34d-44eb-bc48-6ca7ebb2e4de
Jicofo 2020-06-04 17:38:47.115 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Region info, conference=ff4bc0 octo_enabled= false: [[null, null, null]]
Jicofo 2020-06-04 17:38:47.118 INFO: [314] org.jitsi.jicofo.discovery.DiscoveryUtil.log() Doing feature discovery for user@your.domain/7468afe6
Jicofo 2020-06-04 17:38:47.118 INFO: [313] org.jitsi.jicofo.discovery.DiscoveryUtil.log() Doing feature discovery for user@your.domain/3ec431b0
Jicofo 2020-06-04 17:38:47.958 INFO: [314] org.jitsi.jicofo.discovery.DiscoveryUtil.log() Successfully discovered features for user@your.domain/7468afe6 in 840
Jicofo 2020-06-04 17:38:47.962 INFO: [314] org.jitsi.jicofo.AbstractChannelAllocator.log() Using jvbbrewery@internal.auth.your.domain/51db3b5b-d34d-44eb-bc48-6ca7ebb2e4de to allocate channels for: Participant[user@your.domain/7468afe6]972132443
Jicofo 2020-06-04 17:38:48.043 INFO: [314] org.jitsi.jicofo.ParticipantChannelAllocator.log() Sending session-initiate to: user@your.domain/7468afe6
Jicofo 2020-06-04 17:38:48.342 INFO: [313] org.jitsi.jicofo.discovery.DiscoveryUtil.log() Successfully discovered features for user@your.domain/3ec431b0 in 1225
Jicofo 2020-06-04 17:38:48.342 INFO: [313] org.jitsi.jicofo.AbstractChannelAllocator.log() Using jvbbrewery@internal.auth.your.domain/51db3b5b-d34d-44eb-bc48-6ca7ebb2e4de to allocate channels for: Participant[user@your.domain/3ec431b0] 617124826
Jicofo 2020-06-04 17:38:48.360 INFO: [313] org.jitsi.jicofo.ParticipantChannelAllocator.log() Sending session-initiate to: user@your.domain/3ec431b0
Jicofo 2020-06-04 17:38:49.060 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Got session-accept from: user@your.domain/3ec431b0
Jicofo 2020-06-04 17:38:49.075 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Received session-accept from user@your.domain/3ec431b0 with accepted sources:Sources{ video: [ssrc=1580093337 ssrc=3551180674 ssrc=3320801906 ssrc=2833927009 ssrc=4085845309 ssrc=34990771 ] audio: [ssrc=154070064 ] } 894986249
Jicofo 2020-06-04 17:38:49.083 WARNING: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() No jingle session yet for user@your.domain/7468afe6
Jicofo 2020-06-04 17:38:49.400 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Got session-accept from: user@your.domain/7468afe6
Jicofo 2020-06-04 17:38:49.404 INFO: [33] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Received session-accept from user@your.domain/7468afe6 with accepted sources:Sources{ video: [ssrc=3318015753 ssrc=846101500 ssrc=3858822309 ssrc=1430486913 ssrc=1781369267 ssrc=1028105733 ] audio: [ssrc=847512187 ] }627519573
Jicofo 2020-06-04 17:38:49.408 INFO: [33] org.jitsi.protocol.xmpp.AbstractOperationSetJingle.log() Notify add SSRC user@your.domain/3ec431b0 SID: eip57sajo9mr Sources{ video: [ssrc=3318015753 ssrc=846101500 ssrc=3858822309 ssrc=1430486913 ssrc=1781369267 ssrc=1028105733 ] audio: [ssrc=847512187 ] }371676793 source_Groups{ video:[ SourceGroup(FID)[ ssrc=3318015753 ssrc=846101500 ]SourceGroup(FID)[ ssrc=3858822309 ssrc=1781369267 ]SourceGroup(FID)[ ssrc=1430486913 ssrc=1028105733 ]SourceGroup(SIM)[ ssrc=3318015753 ssrc=3858822309 ssrc=1430486913 ] ] }66634142
Jicofo 2020-06-04 17:38:49.409 INFO: [33] org.jitsi.protocol.xmpp.AbstractOperationSetJingle.log() Notify add SSRC user@your.domain/7468afe6 SID: 164lc4778dib8 Sources{ audio: [ssrc=154070064 ] video: [ssrc=1580093337 ssrc=3551180674 ssrc=3320801906 ssrc=2833927009 ssrc=4085845309 ssrc=34990771 ] } 3864842 source_Groups{ video:[ SourceGroup(FID)[ ssrc=1580093337 ssrc=3551180674 ]SourceGroup(FID)[ ssrc=3320801906 ssrc=4085845309 ]SourceGroup(FID)[ ssrc=2833927009 ssrc=34990771 ]SourceGroup(SIM)[ ssrc=1580093337 ssrc=3320801906 ssrc=2833927009 ] ] }472576605
Jicofo 2020-06-04 17:38:51.502 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:38:51.503 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:07.895 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:39:07.895 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:23.354 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:39:23.354 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:25.567 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:39:25.567 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:30.116 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:39:30.116 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:33.935 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:39:33.935 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:35.235 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null
Jicofo 2020-06-04 17:39:35.235 INFO: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Attempting to invite transcriber
Jicofo 2020-06-04 17:39:42.249 SEVERE: [312] org.jitsi.jicofo.jigasi.TranscriberManager.log() Error finding room for null

I am also trying to setup Jigasi for Transcriber and facing similar issue.


Waiting if someone can help/guide on this…