Oracle Error Message
ORA-23474: definition of “string”.”string” has changed since generation of replication support
Reason for the Error
The current columns in the specified table and their column types do not match the columns and column types when replication support was last generated.
Solution
Regenerate replication support for the affected table. All flavors that include the specified table should be checked for validity. Types for any UDT columns should also be checked for validity.