This is not a temporary phenomenon, it still happens. The same thing can be observed in the web UI (https://icloud.developer.apple.com/dashboard/database/teams/TEAMID). Either no results are shown at all when using the "Query records" button, or it errors out:
This is not a temporary phenomenon, it still happens. The same thing can be observed in the web UI (https://icloud.developer.apple.com/dashboard/database/teams/TEAMID). Either no results are shown at all when using the "Query records" button, or it errors out: