get_loadbalancingpeer() inside photonnetowrk.fixedupdate i causing 100of KB of GC allocateds

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we have major issue on our game of 6 people. FPS dropping to level where game cant be player after 20-30 mins of game play.

We observed in unity profiler its photon fun get_loadbalancingpeer() inside photonnetowrk.fixedupdate causing GC allocated in terms of 100s of Kbs on each call.

Attaching screen shot.

We have been investing this from past 1 week, need help from the community.