I know what you’re talking about, I tried changing the order of the FX but so border is first and pan/crop is after, but it doesn’t help. I don’t know why it only works when it’s flipped. Here is another Screenshot of a duplicate track and only the flipped one works the way I want.

Okay, here is a project file I just made. It has 2 pitures with borders, I duplicated the tracks, and then I changed some negative axis to positive (track motion) and flipped horizontally the one on the right
Here is the file:
3417_bordererrortest.zip
It should look like this (unless Im the only one with the problem):
