DPOD provides user feedback by means of Feedback Messages. These appear to drop down from the top of the screen. 

You may dismiss the messages by clicking the x icon on the top right of a message. Alternatively - messages drop up and out after a set amount of time. 

Success / Informative Messages

Green messages provide informative indication on completion of a successful operation such as configuration update or a report successfully scheduled.

Errors

Red messages provide information on an erroneous operation or situation. The error message will usually contain a hint or directive to the user with a suggestion to fix the error.

Automatic Dismissal

Messages are automatically dismissed after a set number of seconds: