When try to save the policy, it shows,
Checked the error report, it shows error,
ERROR 755 org.hibernate.engine.jdbc.spi.SqlExceptionHelper: Can't create/write to file '/tmp/MLzptRao' (OS errno 13 - Permission denied)
By default the /tmp folder should be writable for all users, someone must change it.
Add the write permission to the /tmp folder,
chmod a+w /tmp