Storage table does not exist. Create the storage table before running a session.
The Data Masking transformation is configured for repeatable substitution or expression masking. The storage table that maintains source data and masked value pairs does not exist.
Informatica provides SQL scripts to create a storage table for a Sybase, Microsoft SQL Server, IBM DB2, or Oracle database. The scripts are located in the <PowerCenter installation directory>\client\bin\Extensions\DataMasking directory. Create a storage table and configure a connection to the table before you run the session.