How to get rid of ffmpeg pts has no value error

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Track title: CC P Beethoven - Piano Sonata No 2 in A

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Chapters
00:00 Question
02:50 Accepted answer (Score 36)
03:30 Answer 2 (Score 4)
03:54 Answer 3 (Score 0)
04:12 Thank you

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Full question
https://superuser.com/questions/710008/h...

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Tags
#ffmpeg

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