Bug in weapon upgrade

[R287564029]

I have materials, but cant upgrade weapons of my merc

In case Starfire Staff for Blackwind Staff. i have 3 Blackwind staff prints purchase in Elite shop, but game say i dont have and dont let me upgrade
weapons

[valdemar246]

those print that you purchase, are they for mains or for merc. maybe a print screen of the scrolls with the descriptions will help.

[R287564029]

Thx valdemar u help me so much