Attack on Titan S03 Volume 3 includes black video file with audio from a different volume

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I hope this is the correct forum/ board, I’m posting for the first time.
Just a heads up for anyone who owns the German KAZE Blu-Ray release of AOT Season 3. If you’re like me and wonder what the hell went wrong and why there is an episode more than advertised and why this Episode has no video, then look no further.
For some reason Volume 3, which should include Episodes 50-54 also includes the audio of Episode 43. Took me a while to figure that out because that episode is from Volume 1 of the same season. Strange stuff. Has anyone with different regional versions had similar experiences? Couldn’t find anything on the topic.