Check setup throws this error in web console

Uncaught (in promise) Exception { name: "NS_ERROR_UNEXPECTED", message: "", result: 2147549183, filename: "blob:https://xyz.mydomain.tld:5443/72d6d060-7cd0-4233-9c02-380da1cc4f00";, lineNumber: 275, columnNumber: 0, data: null, stack: "WrappedRTCPeerConnection@blob:https://xyz.mydomain.tld:5443/72

test recording not working

Hello,  I am trying to install Openmeetings 6.1 and everything seems to work when tested from a  PC client. However, test recording from a Android Phone never completes and only a file with 0 size is created. What am I doing wrong? Regards, Parminder Lehal