Minecraft Version

1.20.1

Forge Version

47.1.0, 47.1.44

Mod Version

2.3.0.0

Modpack or other Mod

Simpleores2 - 6.0.0.3 - https://www.curseforge.com/minecraft/mc-mods/simpleores
SimpleCore API - 6.0.1.2 - https://www.curseforge.com/minecraft/mc-mods/simplecore-api
JEI - 15.2.0.23 - https://www.curseforge.com/minecraft/mc-mods/jei
Rubidium - 0.7.0a - https://www.curseforge.com/minecraft/mc-mods/rubidium

Describe the Issue

I was trying to play with the rubidium mod and it crashes when I render a copper lava cube from the simpleOres mod. You can see it just typing lava in the creative tab.

Logs

log: https://pastebin.com/UE2XSm91

Do you use any performance-enhancing mods (e.g. OptiFine)?

Rubidium

Related issue

Sinhika/SimpleOres2#66

Also this is the crash log in case it is useful: https://pastebin.com/D4cNu5YM

Thanks for your report.
it looks like this issue: Asek3/Rubidium#577

Reforged-Hub/rubidium-upstream#2

As a workaround: Don't use Rubidium :)

Fixed in Rubidium 0.7.1