ORA-15021: parameter "remote_dependencies_mode" is not valid in asm instance

Error:

RMAN-00554: initialization of internal recovery manager package failed
RMAN-12001: could not open channel default
RMAN-10008: could not create channel context
RMAN-10002: ORACLE error: ORA-15021: parameter "remote_dependencies_mode" is not valid in asm instance
RMAN-10006: error running SQL statement: alter session set remote_dependencies_mode = signature

When: While trying to connect to rman using rman target /


Cause: 

Incorrect instance type specified to which connection has been attempted.
it should RDBMS , or an attempt has been made to connect to non RDBMS instance like ASM

Solution:

Verify the environment variable , it should be of RDBMS instance 
Run .profile of database instance & Re-try


$ . ./.bash_profile_ora
$ rman target /
Recovery Manager: Release 11.2.0.3.0 - Production on Fri Apr 12 19:13:34 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
connected to target database: CRAMPRD (DBID=3112183348, not open)
RMAN> exit

Recovery Manager complete.