The game crash and return to the menu.

Message : 


The operation was canceled.


  at Amplitude.Mercury.Game.Game+<DoStart>d__4.MoveNext () [0x00157] in <494e28df551a43498ec87da962f01bf7>:0 

  at Amplitude.Coroutine.Run () [0x00019] in <e6c9cdb3ccbf4fe6bac4c0c6296251cb>:0