If you have a golem holder in your hotbar and one of its materials doesn't exist, your hotbar will fail to render.

I think missing materials should be handled more gracefully, especially for players who want to remove a compatible mod. Maybe have a fallback material for rendering purposes, even if it's just a missing texture, it's better than not having a hotbar.

Missing material shouldn’t cause any issue. I have tested that before. There should be some other cause

Maybe I'm doing something wrong in my code: https://github.com/DadamaldaDad/more-modular-golems

I'm making an addon for more modded materials.

In this case, you can use breakpoints to see why the hotbar failed to render. Join discord for easier communication

I think it's related to a missing modifier. I'm in the Discord, ping me @Dadamalda if you want to talk there.