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leaderstats is not a valid member of Player

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This issue can have a variety of causes, but here are some of the most common:

  • Did you spell “leaderstats” differently?
  • Did you parent the leaderstats folder to the Player?

The specific cause we’ll be going over today is actually due to the client trying to access the leaderstats before they have been added to the player. To confirm that this is the cause, when you load into your game you should see the leaderstats gui appear after a few seconds. If the leaderstats gui is not visible, then your issue is likely caused by the previously listed ones or something else.

This issue was commonly encountered in both the Eating Simulator & Clicking Simulator video series. The reason that is occurs is because when the player joins our game we need some time to load their saved data from Roblox’s servers, which we do before adding the leaderstats to the player. On the other hand, the client takes less or nearly no time to load all of its local scripts. So because the client’s scripts are loaded faster than their data is obtained and the leaderstats are created on the server, this error will occur.

Solution

WaitForChild

If you’re determined to use the leaderstats on the client side, then you could simple use the WaitForChild function. This will prevent any further code to be executed in that script until the leaderstats have been added to the player.

local Players = game:GetService("Players")

local player = Players.LocalPlayer
local leaderstats = player:WaitForChild("leaderstats")

print(leaderstats.Coins.Value)

State Manager

In our Clicking Simulator series we created a State Manager for managing all of our player’s data on the client side, rather than relying on the leaderstats. I’d recommend this method over relying on the leaderstats because this gives you much more control over the entire system.

The primary difference is that our State Manager will prevent any script which uses the player’s data to execute, until the player’s data has been loaded and replicated from the server.

You can view how we created our State Manager in the following video:

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