| ERROR | ABOUT clause required in the absence of a text index |
| CAUSE | There is no text index, but the query does not contain any about clause. With only a theme index present, each query term must belong to an ABOUT clause |
| ACTION | Rewrite query |
| ERROR | ABOUT clause required in the absence of a text index |
| CAUSE | There is no text index, but the query does not contain any about clause. With only a theme index present, each query term must belong to an ABOUT clause |
| ACTION | Rewrite query |