in fact, just bail out if the sign needs no entity

diff --git a/api.lua b/api.lua
index 4c879afc5249fdb9c88d73c863f8f29df0bfb44f..56a76039d6cec9405dda7f23237f60e09b5a73fd 100644 (file)
--- a/api.lua
+++ b/api.lua
@@ -419,7 +419,7 @@ end
 local function make_sign_texture(lines, pos)
        local node = minetest.get_node(pos)
        local def = minetest.registered_items[node.name]
-       if not def then return end
+       if not def or not def.entity_info then return end
 
        local font_size
        local line_width