I installed Little Tiles Alpha 1.6.0 Pre061 with Creative Core v2.11.1 & Rubidium 0.7.0a, then the game crashed at startup as shown in this picture.

Also, here's the crash log:
crash-2023-09-22_12.41.33-fml.txt

Please use embeddium instead: https://www.curseforge.com/minecraft/mc-mods/embeddium