I can't find the electric melter. I have it enabled in startup settings. I've searched for "melt" with Ctrl+F in the recipe window. Recipe explorer shows that the electric ice melter recipe doesn't exist , but the entity is found. The Recipe "Advanced Material Processing 2" is researched.

The fix is easy. Just make a file in "migrations" directory called something like "IceOre_0.2.3.lua" with the code:

for _,force in pairs(game.forces) do
    force.recipes["electric-ice-melter"].enabled = force.technologies["advanced-material-processing-2"].researched
end

And it will work.

Thanks, didn't expect that, some mod makes force.reset_recipes() and I haven't this issue.