Chunk-limit error

[Sckaletz]

Minecraft's Version

Paper version git-Paper-171 (MC: 1.20.1)

Plugin's Version

WildStacker v2023.3

Describe the bug

We have this Skyblock server and Survival server with the same issue. Both on the same Paper 1.20.1 version and both with the same Wildstacker version.
From time to time spawners simply stop spawning mobs. Well, they spawn them but they vanish into thin air the second they spawn.
Moving the spawners to a new chunk works, where they'll then spawn fine, so it clearly has to do with some kind of mechanism from the chunk loading / unloading in Minecraft.

How can we fix that? It's pretty annoying when players make large builds with their spawners integrated and then they have to move it all 16 blocks to get it to work again.

Clip of spawners in "error" chunk: https://medal.tv/games/minecraft/clips/1VnJV0Hh3CJIis/d1337h9Wsa9q?invite=cr-MSxWSk4sNzM1MDU0Myw

Clip of spawners in another chunk they just got moved to: https://medal.tv/games/minecraft/clips/1VnKfo2aiu8H90/d1337OXVdDv8?invite=cr-MSw5ZHAsNzM1MDU0Myw

To Reproduce

Well that's a tricky one. We haven't been able to find out why excactly this happens to some chunks and not all. Player's leave their chunks and return and sometimes their chunk is just messed up. Other times they work fine.

Additional Information

No response

[Sckaletz]

I've found out why the problem is there.
When adding a chunk-limit, it "remembers" it somehow even though there's no entities in the chunk.

Ex. from my first video. There are no mobs in the chunk but they just vanish when spawning. In this case we had the: "chunk-limit: 15" set. After I set it back to "chunk-limit: 0" they started spawning correctly.

So the system somehow remembers that there's 15 stacks of mobs in the chunk even though there isn't.