I keep getting a boolen value after an event and the value "happen" changes?

After I do an admin event, aka aevent where I change the event for myself, so after I do an admin event or server event after that if the happen value gets changed I get the error

"attempt to index upvalue 'happen' a (boolean value)"

The error is happening on line 16 "if happen.Value == true and acevent.Value == true then" I have no idea why this is occuring.

wait(1)
local Players = game:GetService("Players")



local tvalue = game.ReplicatedStorage.tvalue
local aevent = game.ReplicatedStorage.aevent
local acevent = game.ReplicatedStorage.caevent
local happen = game.ReplicatedStorage.happen
local aname = game.ReplicatedStorage.ename

local events = {"Meteor","Event","BlackHole"}

happen.Changed:Connect(function()
	local epick = math.random(1,3)
	if happen.Value == true and acevent.Value == true then
		happen = false
		if aevent.Value == "Meteor" then
			aname.Value = "Meteor"
			aevent.Value = ""
			acevent.Value = false
			wait()
			print("AMeteor")
			happen = true
		
		elseif aevent.Value == "BlackHole" then
			aevent.Value = ""
			aname.Value = "BlackHole"
			acevent.Value = false
			wait()
			print("BlackHole")
			happen = false
			game.Workspace.Ground.Velocity = Vector3.new(30,0,0)
			local bh = game.Lighting.EventModels.BlackHole
			bh.Parent = game.Workspace.EventModel
			for i, player in pairs(Players:GetPlayers()) do
    			player.Character.Humanoid.PlatformStand = true

tvalue.Value = 15
			wait(1)
			tvalue.Value = 14
			wait(1)
			tvalue.Value = 13
			wait(1)
			tvalue.Value = 12
			wait(1)
			tvalue.Value = 11
			wait(1)
			tvalue.Value = 10
			wait(1)
			tvalue.Value = 9
			wait(1)
			tvalue.Value = 8
			wait(1)
			tvalue.Value = 7
			wait(1)
			tvalue.Value = 6
			wait(1)
			tvalue.Value = 5
			wait(1)
			tvalue.Value = 4
			wait(1)
			tvalue.Value = 3
			wait(1)
			tvalue.Value = 2
			wait(1)
			tvalue.Value = 1
			wait(1)
			tvalue.Value = 0
			bh.Parent = game.Lighting.EventModels
			game.Workspace.Ground.Velocity = Vector3.new(0,0,0)
			for i, player in pairs(Players:GetPlayers()) do
    			player.Character.Humanoid.PlatformStand = false
				happen = true
end
		end
		elseif aevent.Value ~= events then
			print("SpellingIncorrect")
			aevent.Value = ""
			acevent.Value = false
			happen = true
			wait(1)
			happen = false
end
	elseif happen.Value == true and acevent.Value == false then
		if epick == 1 then
			happen = false
			aname.Value = "event1"
		print("event1")
		happen = true
		elseif epick == 2 then
			happen = false
			aname.Value = "event2"
		print("event2")
		happen = true
		elseif epick == 3 then
			happen = false
			aname.Value = "event3"
		print("event3")
		happen = true
		elseif happen.Value == false then
			print("stop")
		
		end
		end
		
	end)