mods/ITEMS/mcl_bone_meal/init.lua

@@ -54,6 +54,7 @@ mcl_bone_meal.bone_meal_callbacks = {}
 --
 function mcl_bone_meal.register_on_bone_meal_apply(func)
 	minetest.log("warning", "register_on_bone_meal_apply(func) is deprecated. Read mcl_bone_meal/API.md!")
+	print(debug.traceback())
 	table.insert(mcl_bone_meal.bone_meal_callbacks, func)
 end
 

mods/ITEMS/mcl_dye/init.lua

@@ -119,6 +119,7 @@ end
 --
 function mcl_dye.add_bone_meal_particle(pos, def)
 	minetest.log("warning", "mcl_dye.add_bone_meal_particles() is deprecated.  Read mcl_bone_meal/API.md!")
+	print(debug.traceback())
 	mcl_bone_meal.add_bone_meal_particle(pos, def)
 end