Help with attempt to call a nil value?

Hello, I'm currently making a admin for my game, and I'm having errors. Error: Players.lightt_1337.PlayerGui.MainModule.Admin.Bar.TextBox.LocalScript:81: attempt to call a nil value Stack Begin 14:16:57.113 - Script 'Players.lightt_1337.PlayerGui.MainModule.Admin.Bar.TextBox.LocalScript', Line 81 14:16:57.114 - Stack End

As you can see its calling a error on the local script.

My script:

local UIS = game:GetService("UserInputService")

local function getplayers(t)
	local tablofplr = {}
	if t == "all" then
		for i,v in pairs(game.Players:GetPlayers()) do
			table.insert(tablofplr, v)
		end
	elseif t == "others" then
		for i,v in pairs(game.Players:GetPlayers()) do
			table.insert(tablofplr, v)
		end
		for i,v in pairs(tablofplr) do
			if v == game.Players.LocalPlayer then
				table.remove(tablofplr, i)
			end
		end
	elseif t == "me" then
		table.insert(tablofplr, game.Players.LocalPlayer)
	else
		if string.split(t, "|")[2] then
			for i,v in pairs(string.split(t, "|")) do
				for _, plr in pairs(game.Players:GetPlayers()) do
					if plr.Name:lower():find(v:lower()) then
						table.insert(tablofplr, plr)
					end
				end
			end
		else
			for _, plr in pairs(game.Players:GetPlayers()) do
				if plr.Name:lower():find(t:lower()) then
					table.insert(tablofplr, plr)
				end
			end
		end
	end
	return tablofplr
end

UIS.InputBegan:Connect(function(input)
	if input.KeyCode == Enum.KeyCode.Semicolon then
		script.Parent.Parent:TweenPosition(UDim2.new(0.204, 0, 0.929, 0), "In", "Sine", 0.3)
		script.Parent:CaptureFocus()
		wait(0.1)
		script.Parent.Text = ""
	end
end)


script.Parent.FocusLost:Connect(function(enterPressed)
	if enterPressed then
		script.Parent.Parent:TweenPosition(UDim2.new(-0.592, 0, 0.95, 0), "Out", "Sine", 0.3)
		local argstosend
		if string.split(script.Parent.Text, " ")[2] == nil then
			argstosend = {
				["cmd"] = string.split(script.Parent.Text, " ")[1],
				["targets"] = getplayers("me"),
				["me"] = game.Players.LocalPlayer,
				["args"] = string.split(script.Parent.Text, " ")
			}
		else
			argstosend = {
				["cmd"] = string.split(script.Parent.Text, " ")[1],
				["targets"] = getplayers(string.split(script.Parent.Text, " ")[2]),
				["me"] = game.Players.LocalPlayer,
				["args"] = string.split(script.Parent.Text, " ")
			}
		end
		require(script.Parent.handler).runcmd(argstosend)
		script.Parent.Text = ""
	end
end)

script.Parent.Changed:Connect(function()
	for _,b in pairs(script.Parent.Parent.Frame:GetChildren()) do
		if b:IsA("Frame") then
			b:Destroy()
		end
	end
	if script.Parent.Text ~= ""then
		for i,v in pairs(require(script.Parent.handler).getcmds()) do
			if v["cmd"] ~= nil and v["cmd"]:find(script.Parent.Text) or v["cmd"]:find(string.split(script.Parent.Text, " ")[1]) then
				local b = script.Parent.Parent.CMDName:Clone()
				b.Parent = script.Parent.Parent.Frame
				b.Visible = true
				b:FindFirstChild("TextLabel").Text = v["desc"]
			end
		end
	end
end)

attempt to call a nil value

This means you tried to call a function that doesn't exist.

require(script.Parent.handler).getcmds()

.getcmds() does not exist. Either you misspelled it, wrong cases, wrong index, or it flat out doesn't exist.