Seaquel
SQL Server error code

SQL Server error 6829

SQL Server raises error 6829 at severity 16, which marks a problem with the query or data that you can correct.

FOR XML EXPLICIT and RAW modes currently do not support addressing binary data as URLs in column '%.*ls'. Remove the column, or use the BINARY BASE64 mode, or create the URL directly using the 'dbobject/TABLE[@PK1="V1"]/@COLUMN' syntax.
Msg6829
Severity16
Group6000–6999

Source: Database Engine events and errors