Pdo exception on iPad

Error message
PDOException: SQLSTATE[HY000]: General error: 1366 Incorrect integer value: 'false' for column 'is_crawler' at row 1: INSERT INTO {browscap_statistics} (parent, counter, is_crawler) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2); Array ( [:db_insert_placeholder_0] => iPad [:db_insert_placeholder_1] => 1 [:db_insert_placeholder_2] => false ) in _record_user_agent() (line 53 of browscap/record.inc).

I access my site from the iPad and get the above