@Tyrfing
These resources are from other official RO, they aren't presents in kRO grf.
@Nozomi
Then, it is a server side problem.
Open your item_db, txt or sql, depends what you uses, then change item view id of 5979 to 0.
to fix your character, open your sql db, then change its bottom view id to 0
Well, if someone cares, please report or make a pull request for this issue to rA github.