What gameplay feature is this bug affecting?
The Trade Center

What's the issue? Please include any error messages you receive and as much detail as possible.
When someone buys out a trade that you’ve made, it disappears from your list because it’s been bought out. However, mine is stuck and won’t disappear. It’s been a few days however I thought it might go away on it’s own after a RO. It did not.

Any links relating to this bug? For example, if a particular lion is bugging, what is the link to that lion?
N/A

Any screenshots you can provide us with?
https://imgur.com/a/VgV2dUY

Please provide us with step by step explanation how this bug happened so we can attempt to replicate it. If it's complex, please include screenshots where possible:
I don’t really know. Someone just bought my trade out and it still shows up on my manage trades tab, it can’t be replicated. (?)