[SOLVED] Why doesnt this get mouse detection for serverside?

Local Script

local rep = game.ReplicatedStorage
local mouseDetection = rep.MouseDetection
local player = game.Players.LocalPlayer
local mouse = game.Players.LocalPlayer:GetMouse()

mouse.Button1Down:Connect(function()
	mouseDetection:FireSever()
end)

Server Script

local rep = game:GetService("ReplicatedStorage")
local mouseDetection = rep:WaitForChild("MouseDetection")
local canHit = false
local db = false
local notMoving = false
local player = game.Players.LocalPlayer
local mouse = player:GetMouse()
mouseDetection.OnServerevent:Connect(function(player)
	canHit = true
	print(canHit)
end)

it gives this error: FireSever is not a valid member of RemoteEvent "ReplicatedStorage.MouseDetection"

Spelt Sever instead of server