The "Porous Honeycomb Block" is invisible in certain conditions, like shown in the screenshots. It is not my texture packs as I've tried to disable all and it changed nothing.

put on Indium mod. Sodium is a janky mod that release builds that do not use Fabric API for rendering and as a result, breaks mods. Indium is a mod that forces Sodium to use Fabric API properly. You should not run Sodium without Indium.