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Making a Quest script and error again?

Asked by
KordGamer 155
9 years ago

I am making a script for a quest system for my RPG, and I came across the annoying error that I always get.

19:46:16.909 - Workspace.Villager.NPC.QuestScript:28: attempt to index local 'Dialog_Data' (a nil value) 19:46:16.910 - Stack Begin 19:46:16.910 - Script 'Workspace.Villager.NPC.QuestScript', Line 28 19:46:16.910 - Stack End

Nil value.

I have no idea how to fix it and I have no real clue about what it is.

This is the small chunk of code that is the biggest problem:

local ReplicatedStorage = game:GetService("ReplicatedStorage")
local QuestLibraries = ReplicatedStorage:FindFirstChild("QuestLibraries")

local Dialogs = require(QuestLibraries:FindFirstChild("Dialogs"))
local Quest = require(QuestLibraries:FindFirstChild("Quests"))

local QuestGUI = ReplicatedStorage:FindFirstChild("QuestDialog", true)
local Quest1 = script:FindFirstChild("Configurations") --These are the settings and such
local Quest = Quest1.Quest.Value
local Enabled = script.Configurations.QuestEnabled.Value

script.Parent.Torso.Touched:connect(function(part)
    if part.Parent:FindFirstChild("Humanoid") ~= nil then

        local Player = game.Players:FindFirstChild(part.Parent.Name)
        local PlayerGui = Player:FindFirstChild("PlayerGui")

       if PlayerGui:FindFirstChild("QuestDialog") == nil then


            local GUI = QuestGUI:clone()
            local Main = GUI.Frame
            local Decline_BTN = Main:FindFirstChild("No")
            local Dialog_Data = Dialogs.dialog[Quest.Value]
            local Accept_BTN = Main:FindFirstChild("Yes")
            local NPC_Dialog = Main:FindFirstChild("MainText")

            Decline_BTN.Text = Dialog_Data["EXIT"] --This is the error

Any help recieved is great. Thanks!

1
'nil value' just means that the value doesn't exist. http://bfy.tw/2w5Y It probably has to do with your module script. Perci1 4988 — 9y
0
Thanks for the help, However I do not understand how to fix it. KordGamer 155 — 9y
1
Dialogs.dialog[Quest.Value] for some reason is equivalent to nil. We can't help much because we don't know the context. Perci1 4988 — 9y

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Answered by
KingCamembert 57
8 years ago

Let's dissect the output first.

19:46:16.909 - Workspace.Villager.NPC.QuestScript:28: attempt to index local 'Dialog_Data' (a nil value) Not enough added to function

19:46:16.910 - Stack Begin 19:46:16.910 - Script 'Workspace.Villager.NPC.QuestScript', Line 28 19:46:16.910 - Stack End Script ends

'nil value' just means that the value is not properly developed or is not input in the first place. In 'Dialogs.dialog[Quest.Value]' lies the main issue, or therefore lack of, as it is equivalent to nil, thus making the script empty to connect to the function. I do not know exactly how to fix it due to lack of context, but have you added a connection to the value? Think about lines 21-26.

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