Weird collision with trees when autowalking

What this problem is related to? (e.g. Broken model or texture / Incorrectly placed model / Particle Effect / Animation / Collision problem / etc. ):
Collision problem.

Location/Coordinates (/pos, if relevant):
This time was around -43357 12101 1559.

Describe the problem:
Some skinny trees have a weird collision checking when the player character is autowalking into them. The animation changes like it’s falling in place.

List the steps that occurred before the problem appeared (if relevant):

  1. Go near a skinny tree;
  2. Activate autowalk;
  3. Profit (?)

Can you reproduce the problem? (if relevant):
Just stay near a skinny tree (I think) and activate autowalk.

Screenshots/Videos (if available):
(raw file was too big)