InterSystems IRIS TSQL Code 401 Unimplemented statement or expression %l

In this post, you’ll learn about the SQL error code 401 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

401

Reason for the Error code 401 in InterSystems IRIS DBMS

Unimplemented statement or expression %ls.