| ERROR | MULTISET expression not allowed |
| CAUSE | MULTISET expressions are allowed only inside a CAST to a nested table or VARRAY type. |
| ACTION | put the MULTISET(subquery) expression inside a CAST to a nested table or VARRAY type. |
| ERROR | MULTISET expression not allowed |
| CAUSE | MULTISET expressions are allowed only inside a CAST to a nested table or VARRAY type. |
| ACTION | put the MULTISET(subquery) expression inside a CAST to a nested table or VARRAY type. |