Error message

User error: Wrong SQL: SELECT judges.judges_id, judges.first_name, judges.middle_name, judges.last_name FROM judges WHERE judges_id IN ( )Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 9 in find_query_results() (line 480 of /usr/share/rinkresults/rrtools/php/query_tools.php).