Assertion failed: failed to add point in triangulation"

Godot Version

4.2.1 Stable

Question

I just building level and in 1 moment i have this error “Assertion failed: failed to add point in triangulation”
I dont know what is this, i use 2 plugins is "Cyclops Level Builder" and " Basic FPS Player" i cant play demo, its just crushing, i try to create a new scene and reinstall plugins but it not help. I create 1 level but in level 2 there is error, and now 1 level dont working too.