Invalid member of Attachment (Moon animator)

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#1

so i got this error while coding some effect in moon animator but i don’t understand what it says or how to fix it?

there is no line soecified since its moon animator script

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local Player = workspace.AnimRig2

local TS = game:GetService("TweenService")

local ParticlePart = workspace.Storage.JetImpactParticlePart:Clone()
local Atta = ParticlePart.SlideKickWindUp
ParticlePart.Parent = workspace["Summoned Parts"]

for i,v in pairs(Atta.Shoulders:GetChildren()) do
    v.Parent = Player["Right Arm"].RightShoulderAttachment
    if v:IsA("ParticleEmitter") then
        v.Enabled = true
    end
end

local ShoulderSpeckTween = TS:Create(Atta.Shoulders.ShoulderSPECKS, TweenInfo.new(1), {Rate = 150})
ShoulderSpeckTween:Play()

local ShoulderLightTween = TS:Create(Atta.Shoulders.ShoulderSpotLight, TweenInfo.new(1), {Brightness = 12})
ShoulderLightTween:Play()


for i,v in pairs(Atta.Back:GetChildren()) do
    v.Parent = Player.Torso.LeftCollarAttachment
    if v:IsA("ParticleEmitter") then
        v.Enabled = true
    end
end

local BackSpeckTween = TS:Create(Atta.Back.BackSPECKS, TweenInfo.new(1), {Rate = 150})
BackSpeckTween:Play()

local BackLightTween = TS:Create(Atta.Back.BackSpotLight, TweenInfo.new(1), {Brightness = 12})
BackLightTween:Play()

task.wait()

ParticlePart:Destroy()```