Classic: Item "Captain Sander's Shirt" not getting properly added to collection

[Roardo1]

Game Flavor (please complete the following information):

• Flavor: [Cataclysm][annoying]

Describe the bug
Hovering over the item in my bags or bank floods my chat with "ATT [[Captain Sander's Shirt]] (3342) was added to your collection", and also plays the "unlock"-sounds over and over.

To Reproduce
Steps to reproduce the behavior:

1. Have item in bag
2. Hover over item
3. See and hear error

Expected behavior
Not flooding chat and replaying unlock sound when hovering over item.

Screenshots
https://imgur.com/hvnfy9b
https://imgur.com/Nx3RiCb