In this post, you’ll learn about the DB2 error -204-SQL0204N “%s” is an undefined name. and the reason why you are receiving the error message and how to fix it
How does this Error Message Looks like
-204 – SQL0204N “%s” is an undefined name.
Reason for the Error & Solution
The database schema does not match the mapping defined in the metadata for the persistent class. See the mapping documentation.