Can anyone help me fix this script

lua external autoplayer

local keys = shared.keys

local VirtualInputManager = game:GetService("VirtualInputManager")

local camera = workspace.CurrentCamera

local Autoplayer = {

    noteY = 3879,

    sliderY = 3878,

    laneDistanceThreshold = 25,

    distanceLowerBound = 0.2,

    distanceUpperBound = 0.8,

    delayLowerBound = 0.03,

    delayUpperBound = 0.05,

    sliderDebounce = 0.02,

    random = Random.new(),

    pressedLanes = {},

    heldLanes = {},

    currentLanePositionsIndex = nil,

    lanePositions = {

        {

            Vector3.new(-309.00, 387.70, -181.09),

            Vector3.new(-306.87, 387.70, -178.56),

            Vector3.new(-304.53, 387.70, -176.21),

            Vector3.new(-301.99, 387.70, -174.08)

        },

        {

            Vector3.new(-301.99, 387.70, -235.64),

            Vector3.new(-304.53, 387.70, -233.51),

            Vector3.new(-306.87, 387.70, -231.16),

            Vector3.new(-309.00, 387.70, -228.60)

        },

        {

            Vector3.new(-247.44, 387.70, -228.63),

            Vector3.new(-249.57, 387.70, -231.16),

            Vector3.new(-251.92, 387.70, -233.51),

            Vector3.new(-254.46, 387.70, -235.64)

        },

        {

            Vector3.new(-254.46, 387.70, -174.08),

            Vector3.new(-251.92, 387.70, -176.21),

            Vector3.new(-249.57, 387.70, -178.56),

            Vector3.new(-247.44, 387.70, -181.09)

        }

    }

}

local function UpdateLanePositions() -- table.sort cant be used here

    local nearestDistance = Autoplayer.laneDistanceThreshold

    local nearestGroupIndex

    for groupIndex, groupPositions in next, Autoplayer.lanePositions do

        local distance = (groupPositions[1] - camera.CFrame.Position).Magnitude

        if distance < nearestDistance then

            nearestDistance = distance

            nearestGroupIndex = groupIndex

        end

    end

    Autoplayer.currentLanePositionsIndex = nearestGroupIndex

end

local function GetNearestLane(position) -- table.sort cant be used here

    UpdateLanePositions()

    local nearestDistance = Autoplayer.laneDistanceThreshold

    local nearestLane

    for laneIndex, lanePosition in next, Autoplayer.lanePositions[Autoplayer.currentLanePositionsIndex] do

        local distance = (lanePosition - position).Magnitude

        if distance < nearestDistance then

            nearestDistance = distance

            nearestLane = {laneIndex, lanePosition}

        end

    end

    if not nearestLane then 

        return

    end

    return nearestLane[1], nearestLane[2]

end

for index, instance in next, workspace:GetDescendants() do

    if instance.ClassName == "CylinderHandleAdornment" then

        instance:GetPropertyChangedSignal("CFrame"):Connect(function()

            if instance.Transparency == 0 and math.floor(instance.CFrame.Y * 10) == Autoplayer.noteY then

                local noteLane, lanePosition = GetNearestLane(instance.CFrame.Position)

                if noteLane then

                    local randomDistance = Autoplayer.random:NextNumber(Autoplayer.distanceLowerBound, Autoplayer.distanceUpperBound)

                    local distance = instance.CFrame.Position.X - lanePosition.X

                    if Autoplayer.currentLanePositionsIndex > 2 then 

                        distance = math.abs(distance)

                    end

                    if not Autoplayer.pressedLanes[noteLane] and distance <= randomDistance then

                        Autoplayer.pressedLanes[noteLane] = true

                        VirtualInputManager:SendKeyEvent(true, keys[noteLane], false, game)

                        task.wait(Autoplayer.random:NextNumber(Autoplayer.delayLowerBound, Autoplayer.delayUpperBound))

                        VirtualInputManager:SendKeyEvent(false, keys[noteLane], false, game)

                        Autoplayer.pressedLanes[noteLane] = false

                    end

                end

            elseif instance.Transparency < 1 and instance.Height > 0.2 and math.floor(instance.CFrame.Y * 10) == Autoplayer.sliderY then

                local noteLane, lanePosition = GetNearestLane(instance.CFrame.Position)

                if noteLane then

                    local randomDistance = Autoplayer.random:NextNumber(Autoplayer.distanceLowerBound, Autoplayer.distanceUpperBound)

                    local distance = (instance.CFrame - instance.CFrame.LookVector * instance.Height / 2).X - lanePosition.X

                    if Autoplayer.currentLanePositionsIndex > 2 then 

                        distance = math.abs(distance)

                    end

                    if not Autoplayer.heldLanes[noteLane] and distance <= randomDistance then

                        Autoplayer.heldLanes[noteLane] = true

                        VirtualInputManager:SendKeyEvent(true, keys[noteLane], false, game)

                        repeat

                            task.wait() -- ugly but whatever

                        until (Autoplayer.currentLanePositionsIndex > 2 and math.abs((instance.CFrame + instance.CFrame.LookVector * instance.Height / 2).X - lanePosition.X) or (instance.CFrame + instance.CFrame.LookVector * instance.Height / 2).X - lanePosition.X) <= randomDistance

                        VirtualInputManager:SendKeyEvent(false, keys[noteLane], false, game)

                        task.wait(Autoplayer.sliderDebounce)

                        Autoplayer.heldLanes[noteLane] = false

                    end

                end

            end

        end)

    end

end