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I tried to re-install AE but it didn't solve the problem.
I have this problem with all my versions of AE (2018, 2019, 2020 and 2021) since couple months.
I have a MacBook Pro 2.5 GHz IntelCore i7 with MacOs BigSur 11.4 (AMD Radeon R9 M370X 2048 Mo).
I only can't import MP4 H264 files.
Thx for help.
Thanks for writing in.
Does it happen to all the MP4 files? It was a bug in the 17.0.5 version and it was fixed in the next release. Could you try files from a different source?
Let us know how it goes.
Thank you for your reply.
Yes it happens with all MP4 files and i tried with a lot of files from a lot of different source.I have the last version but it's not fixed yet.
Thank you for your help.