| ERROR | materialized view string.string is INVALID and must complete refresh |
| CAUSE | The status of the materialized view was INVALID and an attempt was made to fast refresh the materialized view. |
| ACTION | Perform a complete refresh of the materialized view. Check the value of the STATUS column in dba_mviews, all_mviews, or user_mviews to verify that the materialized view is VALID after the complete refresh. |