Assigned a badge based on multiple badge assignment

Thank you but I’ve an error in my installation

> ActiveRecord::PreparedStatementInvalid: missing value for :backfill in /*
>  * DataExplorer Query
>  * Query: /admin/plugins/explorer?id=13
>  * Started by: alefattorini
>  */
> WITH query AS (
> SELECT u.id user_id, current_timestamp granted_at 
> FROM users u 
> WHERE u.id IN ( 
>     SELECT ub.user_id 
>     FROM user_badges ub 
>     WHERE ub.badge_id = 102
>     GROUP BY ub.user_id 
>     HAVING COUNT(*) >= 1
> ) AND u.active AND u.silenced_till IS NULL AND u.id > 0 AND 
>     (:backfill OR u.id IN (:user_ids) )
> ) SELECT * FROM query
> LIMIT 1000