mediasoup android demo : a bug

when i at first run the android demo client app, then enter the same room from web chrome brower, a error happen : Error creating a Conumer: Failed to set remote offer sdp: Duplicate a =mid value ‘2’

However, when i change the order, first enter the room from web , second from the android app. it will be all right.

what the error means ?

Best regardes!

Already replied in this forum. Please search for it.

Thank you , but could you give me a hint maybe some keywords for searching .

I haven’t found the reply you mention it . sorry to bother u!