PlayerGui.Control:1192: attempt to index nil with 'Position' - Client - Control:1192 ?

1191:  Mouse.Move:Connect(function()	
	wait()
1192:  local Magnitude = (PrimaryPart.Position - Mouse.Hit.p).Magnitude

1194: if InWater and not WhiteList[UI.Hint.Text] and not Stats.CanSwim then
		UI.Hint.Visible = true
		UI.Hint.Text = "Jump or press Q to swim up!"
	elseif Mouse.Target then
		if (Mouse.Target.Parent.Name == "Edible" or Mouse.Target.Parent.Name == "Leaves") and Magnitude <= Stats.Range and (Stats.Diet == "Omnivore" or Stats.Diet == "Herbivore") and not WhiteList[UI.Hint.Text] then
			UI.Hint.Visible = true
			if not Mouse.Target:FindFirstChild("Leaf") then
				if Mouse.Target.Color ~= Color3.fromRGB(255, 176, 0) and Mouse.Target.Color ~= Color3.fromRGB(159, 161, 172) then
					UI.Hint.Text = "Click to eat."
				else
					UI.Hint.Text = "cant be eaten in this season"
				end
			else
				UI.Hint.Text = "Click to eat."
			end
		elseif (Mouse.Target.Parent.Name == "Corpse" or Mouse.Target.Name == "Bug" or string.find(Mouse.Target.Name, "Egg") or Mouse.Target.Parent.Name == "Tail") and Magnitude <= Stats.Range and (Stats.Diet == "Omnivore" or Stats.Diet == "Carnivore") and not WhiteList[UI.Hint.Text] then
			UI.Hint.Visible = true
			if Mouse.Target.Parent ~= workspace then
				if Mouse.Target.Parent:FindFirstChild("Meat") then
					UI.Hint.Text = "Click to eat. ("..Mouse.Target.Parent.Meat.Value ..")"
				end
			else
				if Mouse.Target:FindFirstChild("Meat") then
					UI.Hint.Text = "Click to eat. ("..Mouse.Target.Meat.Value ..")"
				end
			end




please, help fix this bug.

We would need to see where is PrimaryPart defined, but sometimes can happen that the object of which PrimaryPart was defined could get replaced or deleted. Re-define PrimaryPart at line before 1192.