mediasoup client unload

Hello, sorry if this is basic,
but how can i unload rtcCapabilities from existing device on memory so that i can load in capabilities from other router

i.e making possibilities of jumping in between rooms.

By now am getting this error {"name":"InvalidStateError","line":22853,"column":28,"sourceURL"
am assuming its because device is have details which was operating on router A now am shifting to router B