What is the purpose of quoting "topic" as if it is a search keyword? Are you searching for this literal string in the logs? Why are you bundling it with the "site:" operator?
I got an empty search results error with your suggested turd.
https://support.google.com/websearch/answer/2466433?sjid=128...
Why not a blank search without it -- you do not need to specify any search term if using "site:[...]"
site:chatgpt.com/share/*