Premiere Pro can't collect reference *.mov files, but After Effects can! Why?

Question

Hello.

I met an issue that in my opinion very strange : i have content that use reference *.mov file ( that mean that for 1 videomaterial we have 1 small reference *.mov file that contain link for other files - video *.m2v file, two audio *.wav files and few files with metadata ). And when i import that *.mov file in Premiere Pro project, create a sequence, and then try to collect that file in another folder (File > Project Manager) on the exit i have a project file and only my *.mov file without *.m2v and *.wav...

When i try to "Cosolidate and Transcode" i have message "Some clips were copied because they could not be transcoded using the selected settings. Please refer to the Events Panel for details". In Events Panel i have next message "Transcode failure. Unable to match audio channels. File 123456789.mov was copied"...

When i import reference *.mov in After Effects, go to File > Dependencies > Collect Files and click "Collect" all of the files (*.mov, *.m2v, *.wav) correctly collect in folder.

Maybe someone have any ideas why that process work in AE and dont work in PP ?

Ruben Van Leer · Answer

We're now almost in year 2025, and still I'm dealing with the same issue like described here above by Mr.Fantastic in 2017 ^

I stripped all the audio from my 7 minute edit in Premiere (version 24.6.1), footage shot with ARRI35 camera ProRes4444XQ footage in 4.6K. When trying to "Render & Replace" all clips in the sequence, 1 of the takes seems to get a weird error making Premiere trying to copy this 1 original file instead of transcoding a fragment of it (a file total 60GB...), with the event: "Some clips were copied because they could not be transcoded using the selected settings. Please refer to the Events Panel for details." and specified in the Events Panels:"Multiple instances of source clip have different audio channel mappings."

I'm completely clueless. The ONLY solution I found is manually transcode the full original take-file MXF, to a ProRes4444 match resolution, replace that full file by relinking it in the edit in Premiere, and then AGAIN click Render & Replace... Which finally gives me the fragmented "Rerendered" replaced clip in the sequence.

I can only describe this as highly frustrating / time consuming / unneceserry - it feels like a Premiere Bug that seems to be there since almost a decade...?!

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