Bug Bonus Switcher (71084)

I have a bug on my private server .
I go to bonus my armour with 4 bonus normaly ,but when i try to switch him 2-3 times,the 4 bonus of my armour initial begin to disappear ,i switch 2-3 times my armour have 3 bonus and so .
How can i solve this problem ?

my english is bad, but i try.

Do the item, what you want switch in the bot right windows in your inventar. Then in your " Bonus switcher " press em...

" Reading the bonus " or so..

Problem at server.