Set Mute error

I have setup everything properly but now I am getting below error messag in console
20-10-03T07:48:14.264Z [modules/xmpp/ChatRoom.js] : set mute false Logger.js:154:22
2020-10-03T07:48:14.521Z [modules/xmpp/ChatRoom.js] <muteParticipant/<>: set mute error