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another null check for https://github.com/pandorabox-io/pandorabox.io/issues/59
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@ -81,8 +81,12 @@ end
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local function quarry_handle_purge(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local cache = inv:get_list("cache")
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if not cache then
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return
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end
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local i = 0
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for _,stack in ipairs(inv:get_list("cache")) do
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for _,stack in ipairs(cache) do
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i = i + 1
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if stack then
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local item = stack:to_table()
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