Failed to execute 'getUserMedia' on 'MediaDevices': Malformed constraint on upgrading audio to video

[rozyjaretJiv]

Scenario: calling renegotiate() to upgrade ongoing audio call to video call

Error:
Unable to getUserMedia: TypeError: Failed to execute 'getUserMedia' on 'MediaDevices': Malformed constraint: Cannot use both optional/mandatory and specific or advanced constraints.

[rozyjaretJiv]

Any update on this issue. Please help me resolve this issue . It is cruitial for my project.