Seems like this was a typo
@@ -91,7 +91,7 @@ minetest.register_node("doors:hidden", {
on_blast = function() end,
tiles = {"doors_blank.png"},
-- 1px transparent block inside door hinge near node top.
- nodebox = {
+ node_box = {
type = "fixed",
fixed = {-15/32, 13/32, -15/32, -13/32, 1/2, -13/32},
},