InterSystems IRIS TSQL Code 8619 Warning: The query processor could not p

In this post, you’ll learn about the SQL error code 8619 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

8619

Reason for the Error code 8619 in InterSystems IRIS DBMS

Warning: The query processor could not produce a query plan from the optimizer because the total length of all the columns in the GROUP BY or ORDER BY clause exceeds 8000 bytes. Resubmit your query without the ROBUST PLAN hint.