Cause
For security reasons, only SYS can modify the FILE_ACCESS_ROLE system parameter
For security reasons, only SYS can modify the FILE_ACCESS_ROLE system parameter
Connect as SYS before modifying the parameter
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/drgus.htm
https://community.oracle.com/message/10120793
Browse all solutions to database errors from Oracle, MS SQL, or MySQL