Database Error Messages

A reserved keyword (ALL or NONAME) was specified for the observer name for the START OBSERVER command.

Specify a name other than ALL or NONAME and retry the command.

A reserved keyword (ALL or NONAME) was specified for the observer name for the START OBSERVER command.

Specify a name other than ALL or NONAME and retry the command.

More than one observer could not be started because the release of the observer was earlier than 12.2.

Upgrade the Oracle client home to release 12.2 and start the observer using the DGMGRL CLI in that home.