?Every time when ai is clone its dont work

Every time when ai clone in workspace it broke. If ai already in workspace then no broken

ai script

local PathfindingService = game:GetService("PathfindingService")
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

local path = PathfindingService:CreatePath({
    AgentCanJump = false
})

local npc = script.Parent
local humanoid = npc.Humanoid

local TEST_DESTINATION = game.Workspace.A
local Reset = game.Workspace.AA
local Dead = game.Workspace.exit2

local waypoints
local nextWaypointIndex
local reachedConnection
local blockedConnection
local c

local function followPath(destination)
    -- Compute the path
    local success, errorMessage = pcall(function()
        path:ComputeAsync(npc.HumanoidRootPart.Position, destination.Position)
        wait(3)
        path:ComputeAsync(npc.HumanoidRootPart.Position, destination.Position)
    end)

    if success and path.Status == Enum.PathStatus.Success then
        -- Get the path waypoints
        waypoints = path:GetWaypoints()

        -- Detect if path becomes blocked
        blockedConnection = path.Blocked:Connect(function(blockedWaypointIndex)
            -- Check if the obstacle is further down the path
            if blockedWaypointIndex >= nextWaypointIndex then
                -- Stop detecting path blockage until path is re-computed
                blockedConnection:Disconnect()
                -- Call function to re-compute new path
                followPath(destination)
            end
        end)

        -- Detect when movement to next waypoint is complete
        if not reachedConnection then
            reachedConnection = humanoid.MoveToFinished:Connect(function(reached)
                if reached and nextWaypointIndex < #waypoints then
                    -- Increase waypoint index and move to next waypoint
                    nextWaypointIndex += 1
                    humanoid:MoveTo(waypoints[nextWaypointIndex].Position)
                else
                    reachedConnection:Disconnect()
                    blockedConnection:Disconnect()
                end
            end)
        end

        -- Initially move to second waypoint (first waypoint is path start; skip it)
        nextWaypointIndex = 2
        humanoid:MoveTo(waypoints[nextWaypointIndex].Position)
    else
        warn("Path not computed!", errorMessage)
    end
end


followPath(TEST_DESTINATION)

c = false
npc.HumanoidRootPart.ProximityPrompt.Triggered:Connect(function()
    c = true
    local a = math.random(5,15)
    game.ReplicatedStorage.stats.bank.Value = game.ReplicatedStorage.stats.bank.Value + a
    while wait(0.03) do
    humanoid.WalkSpeed = 16
    followPath(Reset)
end
end)

while wait() do
if c == false then
    wait(60)
        followPath(Dead)
    else 
        if c == true then
    break
    end
    end 
end

clone script

main = game.ReplicatedStorage.NPC
while wait(20) do
        clone = main:Clone()
        clone.Parent = game.Workspace
        clone:SetPrimaryPartCFrame(CFrame.new(-9.858, 6, -11.149))
    end