Rman Restore Error: end of file on communcation channel

Dear Oracle experts,

We are trying to restore a ASM Rac database backup to  Non Asm Single instance database. The O/S which I used is OEL 5.2 and the database is 11.2.1.0.

Once we are restoring a database , it is ended with below error. I tried so many times but not resolve the error, Kindly help me to fix the issue.

RMAN> run

2> {

3> SET NEWNAME FOR DATABASE TO '/u01/oracle/orcldb/oradata/%b';

4> SET NEWNAME FOR tempfile 1 TO '/u01/oracle/orcldb/oradata/%b';

5> restore database;

6> switch datafile all;

7> switch tempfile all;

8> }

executing command: SET NEWNAME

executing command: SET NEWNAME