Message Oracle ORA-29342 - user string does not exist in the database

ERRORuser string does not exist in the database
CAUSEThe referred user is one of the owners of data in the pluggable set. This user does not exist in the database.
ACTIONConsider either creating the user in the database or map the user to a different user via FROM_USER and TO_USER import options.

1035051Transportable tablespaces