Errors messages returned by the XQL processor.
XQL Errors
| XQL_EXPR_NOT_DOM_NODE | Expression does not return a DOM node. |
| XQL_EXPR_NOT_QUERY_OR_INTEGER | Expression must be a query or an integer constant. |
| XQL_INCOMPLETE_QUERY | Incomplete query expression. |
| XQL_UNKNOWN_METHOD | Unknown method. |
| XQL_UNEXPECTED_CHAR | Unexpected character in query string. |
| XQL_QUERY_INVALID_HERE | %1 may not appear to the right of / or // or be used with |. |
| XQL_EXPR_NOT_STRING | Expression must be a string constant. |
| XQL_METHOD_NOT_SUPPORTED | Object does not support this method. |
| XQL_INVALID_CAST | Expression can't be cast to this data type. |
| XMLISLANDS_NOSCRIPTLETS | The XML script engine does not support script fragments. This error was probably caused by having a script tag with the language attribute set to "XML" or the text attribute set to "text/xml" before any other script tag on the page. |
| XQL_EXPR_NOT_QUERY_OR_STRING | Parameter must be a query or a string constant. |
| XQL_EXPR_NOT_INTEGER | Parameter must be a integer constant. |