The operation was canceled.

  at Amplitude.Mercury.Game.Game+<DoStart>d__4.MoveNext () [0x00157] in <5ea64807bee745218615ec8ef8535182>:0 
  at Amplitude.Coroutine.Run () [0x00019] in <a38bac599c844a99a8a4fcca3b37292e>:0