InterSystems IRIS TSQL Code 15180 Cannot drop. The data type is being used

In this post, you’ll learn about the SQL error code 15180 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

15180

Reason for the Error code 15180 in InterSystems IRIS DBMS

Cannot drop. The data type is being used.