error while loading create database character set

Oracle instance shut down
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 07/14/2017 10:43:34
RMAN-05501: aborting duplication of target database
RMAN-03015: error occurred in stored script Memory Script
RMAN-06136: ORACLE error from auxiliary database: ORA-12709: error while loading create database character set

Recovery Manager complete.

[oracle@host old]$ perl $ORACLE_HOME/nls/data/old/cr9idata.pl
Creating directory /u01/app/oracle/EBS/TEST/12.1.0.2/db1/nls/data/9idata ...
Copying files to /u01/app/oracle/EBS/TEST/12.1.0.2/db1/nls/data/9idata...
Copy finished.
Please reset environment variable ORA_NLS10 to /u01/app/oracle/EBS/TEST/12.1.0.2/db1/nls/data/9idata!
[oracle@host old]$