A fatal error has occurred within XTools. This has been automatically reported, but feel free to file a task on Phabricator (requires a Wikimedia account).
The server said: An exception occurred while executing 'SELECT error, notice, found, name_trans AS name, prio, text_trans AS explanation
FROM s51080__checkwiki_p.cw_error a
JOIN s51080__checkwiki_p.cw_overview_errors b
WHERE a.project = b.project
AND a.project = ?
AND a.title = ?
AND a.error = b.id
AND a.ok = 0' with params ["enwiki", "\ud83c\udde7\ud83c\udde9"]:
SQLSTATE[HY000]: General error: 1267 Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb3_general_ci,COERCIBLE) for operation '='
