Frostweave Bag bug

So my problem is a friend of mine made me frostweave bag, but when i equip the bag dont give me 20 slots dont give me nothing, i cant open the bag i cant put items inside, i use addons but i already disable all of them.

Here its a print of the problem i use and addon called onebag, but if count the slots u will see that is 20 slots missing!
https://i.imgur.com/xpqNpPI.jpg

Help me pls and sry for my english!!

Ok solved, i just went to the bank and put the bag on the bank bag slot and then all bags unbugged! I hope i can help someone!
U can close!

relog works asw