Hello,
I am experiencing same or very similar issue. Problem is with time lapse video created by another person on his device, sent to me by email and imported into my library. Both devices are on iOS 14.4.
Error dump in english follows:
Error Domain=AVFoundationErrorDomain Code=-11800 "The operation could not be completed" UserInfo={NSLocalizedFailureReason=An unknown error occurred (-17507), NSLocalizedDescription=The operation could not be completed, NSUnderlyingError=0x283bec270 {Error Domain=NSOSStatusErrorDomain Code=-17507 "(null)"}}
ondrejhanak
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