Did you by any chance change the source of the enrichment? Is there anything you've done and/or deleted some data after running the lookup?
When I'm checking here: https://app.clay.com/workspaces/310461/tables/t_YYcvC6HeSzDS/views/gv_AEMbuMAVrXcs
I don't see those 24 variables, which is where the find people search has been exported! :)