Loosing the crafting marks for epic gear!

So yesterday i was crafting me a epic weapon for the 302 gear. I recycled it cuz got bad weapon quality, crafted me some more, recycled them, the ammount i had to craft never lowered. Until some point they just went away. 25 to 0 real quick.

So i would like to know why they gone. You can rinse and repeat the process of crafting, but where are my marks gone?