2016-01-18 19:23:38: ERROR[Main]: ServerError: Lua: Runtime error from mod 'giants' in callback luaentity_Step(): ...projects/minetest_0.4.11/bin/../mods/giants/behavior.lua:185: bad argument #2 to 'find_node_near' (number expected, got nil)
2016-01-18 19:23:38: ERROR[Main]: stack traceback:
2016-01-18 19:23:38: ERROR[Main]:       [C]: in function 'find_node_near'
2016-01-18 19:23:38: ERROR[Main]:       ...projects/minetest_0.4.11/bin/../mods/giants/behavior.lua:185: in function 'reset'
2016-01-18 19:23:38: ERROR[Main]:       ...projects/minetest_0.4.11/bin/../mods/giants/behavior.lua:136: in function 'tick'


------------------------ code ---------------------


function mkFindNodeNear(sel, _dist)

    return {
        name="find node near",
        kind="action",

        reset= function(node, data)
            -- tprint(data)
        print("\n\nlol----------------------\n\n")
        print(data)
        print(sel)
            tprint(data)
            tprint(sel)
            local targetpos = minetest.find_node_near(data.pos, 20, sel) <--- now line 190, in lol.lua
            tprint(targetpos)
            data.targetPos = targetpos
        end,

        tick= function(node, data)
            if data.targetPos == nil then
                print("could not find node near")
                return "failed"
            end

            return "success"
        end,
    }

end