| ERROR | duplicate grouping sets |
| CAUSE | The capability in question is not supported when the materialized view redundantly references grouping sets. |
| ACTION | Re-phrase the query to avoid the use of the redundant grouping sets. |
| ERROR | duplicate grouping sets |
| CAUSE | The capability in question is not supported when the materialized view redundantly references grouping sets. |
| ACTION | Re-phrase the query to avoid the use of the redundant grouping sets. |