Object was deleted while awaiting a callback [AnimationTree]

[Favkis]

I find some like these here and there but no fix

Godot version:
v3.2.2.stable.custom_build

OS/device including version:
RTX 2080, latest, GLES3

Issue description:
After I added new animations to AnimationPlayer, when I click AnimationTree godot hangs in while forever spamming Object was deleted while awaiting a callback

Steps to reproduce:
No idea it's my months old project with dozens of classes, objects and items.

Minimal reproduction project:
Project weights 1.53 GB already

[Favkis]

I opened it in steam godot and it works. I tried 2 custom built godots - first one is voxel addon and second one is voxel+heightmap build.

[Calinou]

Duplicate of #35653 (the underlying issue is the same).

As a workaround, try increasing the message queue size to 4096 in the Project Settings. This will be done by default in 3.2.4.

[Favkis]

@Calinou I started getting same issue on official without custom build, however after doing what you did it actually helped and it doesn't freeze now when I open AnimationTree, thanks.