When breaking the combined slab in survival mode at some angle, it will turn the slab into a glitched block

[zeroversv3-boop]

It's happened only at some weird angle, like 4 blocks up to the slab. This includes vanilla and modded slab, but the vertical slab works great for me.

Additionally, where is the config file of the mod? I want to disable this feature if it possible. the mod is great but this bug really annoying

Minecraft_.Forge.1.20.1.-.Singleplayer.2569-05-05.00-56-28.mp4