Some pages in Prophecy generate errors or informational messages that are worth recording for auditing or troubleshooting purposes later on, but that don't need to be displayed 'live' on the site. For example, there should be a record of 'light' errors encountered while performing certain operations on diagrams without displaying a message that the operator has to know how to deal with and clear from the screen.

The 'Message History' page in the admin section allows admins to review those error messages to track down problems. To view errors filtered by the page that generated them, choose the page from the dropdown list and click Filter: