| ERROR | invalid use of string attribute in aggregate predicate |
| CAUSE | An attempt was made to use an attribute where a literal is expected in the aggregate predicate in the rule condition. |
| ACTION | Correct the input and try again. |
| ERROR | invalid use of string attribute in aggregate predicate |
| CAUSE | An attempt was made to use an attribute where a literal is expected in the aggregate predicate in the rule condition. |
| ACTION | Correct the input and try again. |