In this post, you’ll learn about the General error code 6628 in InterSystems IRIS database the reason why you are receiving the error message when using the InterSystems IRIS data platform
Error Code :
6628
Reason for the Error code 6628 in InterSystems IRIS DBMS
Class %1 is not projectible. Projection is aborting. For a class to be projectible all methods in the class must have the same signature in the left-most super. There is a conflict on Method %2.