Animations created in synfig can not been eidted in PR

I created an animation in synfig and exported to ffmpeg file.

But when I try to edit it in adobe PR it can not been displayed proplayed.

Is there anyone tried to edit animations in PR. Do you meet the same problem as me?

Thank you

HI and welcome here :slight_smile:
Which settings do you use?
H.264 Lossless?