InterSystems IRIS TSQL Code 6813 FOR XML EXPLICIT cannot combine multiple

In this post, you’ll learn about the SQL error code 6813 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

6813

Reason for the Error code 6813 in InterSystems IRIS DBMS

FOR XML EXPLICIT cannot combine multiple occurrences of ID, IDREF, IDREFS, NMTOKEN, and/or NMTOKENS in column name ‘%.*ls’.