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When my tvOS app tries to play a video in an AVPlayer using the tvOS simulator in XCode, I get the following error:[MediaRemote] [MRPlaybackQueueServiceClient] playbackQueueRequest AFCF4995-D293-4B5B-82F0-E701186F639F PineBoard-21384 /A600.000000x600.000000/R[0:1] responded to asset request with error Error Domain=kMRMediaRemoteFrameworkErrorDomain Code=15 "Operation requires a client data source to have been registered." UserInfo={NSLocalizedDescription=Operation requires a client data source to have been registered.}I've searched in Google, but the "Operation requires a client data source to have been registered" message doesn't appear on any site.Anyone have a clue?Thx in advance.