Animation breaks when importing from a custom rig

Help and Feedback Art Design Support
1

  1. What do you want to achieve?
    To fix the animation from breaking.

  2. What is the issue?
    The original animation works as intended, but exporting and reimporting or play testing it breaks the animation.

The original animation works fine:

Exporting the animation and reimporting it or testing it in-game breaks the animation:

  1. What solutions have you tried so far?
    — I tried looking for solutions on the forums.
    — I tried adding more keyframes.
    Both to no avail. :frowning:

Any help is highly appreciated! Thank you for taking the time to read this post!