MC version - 1.12.2
MorePlanets Version - 2.1.3 and 2.0.15
9 Cheese Slimeball or Infected Crystallized Slimeball -> Slime Block (Regular)
It make Cheese Slime Block and Infected Crystallized Slime Block uncraftable

I recommend to add this mod for temporary fix : https://minecraft.curseforge.com/projects/stimmedcow-nomorerecipeconflict

Or crafttweaker to change one of the recipes