attempt to index local 'fuel' (a nil value) /mods/default/nodes.lua:1045 about minetest_game HOT 5 CLOSED

d09d8f0

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Hmmm... I wonder what causes this crash. As far as I can see it only happens if for some reason the "fuel" list doesnt exist in the furnace, which means the meta is corrupted or a mod placed a furnace without setting the metadata properly.

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I can imagine a couple of things that could cause that.
1- If a player uses something from a mod as fuel then later on the admin disables that mod. For example, using a rat as fuel and then the admin disable do mobs mod.
2- Someone said WorldEdit will not clear metadata when //replace something

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It happened for me when I loaded a schematic in *.mts format using the WorldEdit plugin, and then rotated the selection. There were 4 furnaces in the model, which was a house. The furnaces were all rotated wrong, as well as stairs and the roof parts, and some doorways. Then the server crashed with this message.

I think something had gone wrong when the schematic was rotated. The way I fixed it was to edit the nodes.lua file to test for the fuel variable (and some others too) before running any statements that would evaluate the indices.

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The MTS format does not support nodemeta, unfortunately. The WE standard format is recommended for this reason. You can save the current WE region to one of these schematics using //save <NAME_OF_FILE>.

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