Cannot call methods on %ls.

Error Message:
Msg 258, Level 15, State 1, Line 4
Cannot call methods on %ls.

Severity level:

This error message appears when you try to call an invalid method for a data type.

The T-SQL statement can be parsed, but causes the error at runtime.

Errors of the Severity level 16 are generated by the user and can be fixed by the SQL Server user. The statement cannot be run this way. The method being called must be valid and compatible for the data type.

All versions of SQL Server.

DECLARE @xml varchar(MAX);
SET @xml = ‘<Result />’;
    @xml.query (‘for $a in(1, 2), $b in(3, 4)
        $a < $b
    return sum($a + $b)’) as XML;

In the above example we try to call the method .query on a variable of type varchar(MAX). This raises the error.

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