It really can be a variety of thing from scratches depending on what you feed or use as bedding to the beginning of scale rot it hard to tell or diagnose online.
Not something Vet worthy IMO, I would keep an eye on it, make sure it does not get bigger, make sure it's not oozing, and my bet is that it will all be gone after one shed given the extent.
In the mean time keep your BP on paper towel, make sure it clean and dry.
The thing is with light morph is that the slightest little thing we would no see on a normal or dark morph shows, every little imperfection every little boo boo etc.