[NYCHUS MOA] BUG:Lost sentinel weapon EXP

[Shawm.Teamkiller]

Was trying to level up sentinel weapon with MOA in Elite Santucary Onslaught

But last second i saw TAB borad they r all MAXed 

but the next second(TAB again) sentinel weapon EXP all gone like before i do thisElite Santucary Onslaught

It happen times that i can't level up sentinel weapon at all

Then i have to level up sentinel weapon with other sentinel