After Effects Suddenly Doesn't Read MKV Files / Can't Save My Project File

[zachm4011352]

Hi, up until recently my AE file was able to read MKV files outputted from Blender. Suddenly this morning I go to open the project file and I'm getting the 86 : 1 error saying that the files are unsupported / damaged. The files open fine on my comptuer, so this is an AE problem. Also, the project file now won't save.

I reinstalled AE CC 2019 16.1.2 and it did nothing. The Auto-Saves have the same issue, in fact any AE project file that read MKV files in the past suddenly have all sorts of errors. I'm kind of stuck here, I really don't want to have to recreate the project file.

[Byron Cortez]

Unfortunately, Ae no longer supports this video format.

Supported file formats in After Effects

If they are few, you could transcode them with HandBrake and then replace them.

https://handbrake.fr/

[zachm4011352]

Did this change in supported formats happen last night? Because up until literally yesterday, I was able to import MKV files, and I'm struggling to understand what I did differently that would make it unsupported all of a sudden. I didn't update After Effects, so I don't know how this change just happened.

[Byron Cortez]

Maybe when you reinstalled you did an update of the version you had. It's what I can think of.