DataStore request was added to queue?

This code saves the players in game clothes in a clothes folder. I keep getting the "DataStore request was added to queue. If request queue fills, further requests will be dropped. Try sending fewer requests.Key = 2Clothes-8762695 (x2)"

I have no idea what this means or how to fix it. Here are some excerpts from my script that may be involved in this error.

local key = "2Clothes-"..player.UserId	

local saved = {}
	for i,v in pairs(player.Clothes:GetChildren()) do
		if v.Name ~= "CurrentClothes" then
			table.insert(saved, v.Name)
			ds:SetAsync(key, saved)
		end
	end
	
end)

Again I have no idea what this is or how to fix it so anything helps. Thank you!