Forge 40.1.73
Minecraft 1.18.2
Rubidium 0.5.3a + Rubidium Extras 1.3.2

Recently added Rubidium to improve performance, upon entering the nether for the first time in a session the area renders for a couple seconds and then crashes game, Once returning to menu with not enough crashes and reloading world player can leave and re-enter the nether without crashing. Not Enough Crashes suggests it could be Rubidium.

java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 513

Not very good at reading crash reports so apologies if Rubidium not resonsible
crash-2022-08-06_12.20.27-client.txt

There are no Rubidium on client in crash-report

This is an OptiFine issue. The latest preview version of OptiFine 1.18.2 fixes this.

This is an OptiFine issue. The latest preview version of OptiFine 1.18.2 fixes this.

hum rubidium is incompatible with optifine

This is an OptiFine issue. The latest preview version of OptiFine 1.18.2 fixes this.

hum rubidium is incompatible with optifine

The crash mentioned here is caused by OptiFine. Rubidium was not installed.

So, closed if it's unrelated to Rubidium