| ERROR | [XQTY0030] Expression should evaluate to exactly one node |
| CAUSE | It is a type error if the argument of a validate expression does not evaluate to exactly one document or element node. |
| ACTION | None |
| ERROR | [XQTY0030] Expression should evaluate to exactly one node |
| CAUSE | It is a type error if the argument of a validate expression does not evaluate to exactly one document or element node. |
| ACTION | None |