FileLoadException on Microsoft.Owin when running on worker role

Do you happen to see FileLoadException when you try to run a OWIN application (SignalR or WebAPI) on a worker role project with the below message? System.IO.FileLoadException: Could not load file or assembly ‘Microsoft.Owin, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ or one of its dependencies. The located assembly’s manifest definition does not match the assembly reference. (Exception from…

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