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Hello,trying to solve problem with offline downloaded stream.I used this SDK https://developer.apple.com/streaming/fps/and downloaded two encryprted CKC videos to app.When i downloaded Test1, and play it, everything is OK. Same with Test2 video.But when i try to open Test 1, player is stuck and receiving error:Error Domain=AVFoundationErrorDomain Code=-11800 "The operation could not be completed" UserInfo={NSLocalizedFailureReason=An unknown error occurred (-42803), NSLocalizedDescription=The operation could not be completed, NSUnderlyingError=0x281f1fa50 {Error Domain=NSOSStatusErrorDomain Code=-42803 "(null)"}}I tried to find way out, but nothing. Thanks for helping.