RMAN-06429 TARGET Database is not Compatible with this Version of RMAN

RMAN-06438: error executing package DBMS_RCVMAN in TARGET database

    RMAN-00571: ===========================================================
    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============
    RMAN-00571: ===========================================================
    RMAN-00554: initialization of internal recovery manager package failed
    RMAN-06429: TARGET database is not compatible with this version of RMAN

Cause:

The relevant message in this case is RMAN-06438 because package DBMS_RCVMAN   in target database is invalid

Solution:

 SQL>@?/rdbms/admin/dbmsrman.sql
 SQL>@?/rdbms/admin/prvtrmns.plb