What happened?

Mod will throw a warning is KubeJS is missing. The warning goes away if KubeJS is installed.
Mod should not make class reference to/target another mod, unless such mod is a dependency.

Loader

fabric

Mod Version

2.1.3

Minecraft Version

1.19

Relevant log output

[main/WARN]: Error loading class: dev/latvian/mods/kubejs/recipe/RecipesEventJS (java.lang.ClassNotFoundException: dev/latvian/mods/kubejs/recipe/RecipesEventJS)

[main/WARN]: @Mixin target dev.latvian.mods.kubejs.recipe.RecipesEventJS was not found sliceanddice.mixins.json:RecipeEventJSMixin from mod sliceanddice

Yes, this is intentional, since it's an optional mixin into a KubeJS class, which will print a warning if it fails

I don't know how mixins work in mods. But isn't it possible to display an information instead of a warning, to indicate that KubeJS is missing and the mod doesn't load the extra recipes?

The mod still works if KubeJS is missing, the mixin is only there to make it work if kubejs is present too.
And there would probably a way to somehow hide it but that would be way to much effort just to hide one warning in the log, especially since modpacks usually print a ton of warnings anyway