IBM DB2 Error Code -20475 – a column mask is already defined for the

In this post, you’ll learn about the IBM DB2 Error -20475 and the reason why you are receiving it

IBM DB2 Error Code :

-20475

Reason for this Error in DB2

A COLUMN MASK IS ALREADY DEFINED FOR THE COLUMN column-name IN TABLE table-name (EXISTING MASK NAME mask-name)