ORA-28593: agent control utility: command terminated with error Cause: An error occurred duringthe processing of the command. There could be
several causes. A SET or an UNSET command could have been issued after the
agent was started. This is illegal. The user may have attempted to start twoagents
with the same SID value or the user could have attempted to shutdown an agent
that is no longer running. Action: If the user wishes toissue a SET or an UNSET command, he should make
sure the agent is shutdown first by issuing the SHUTDOWN command.