The Messages pane displays any messages you have, such as error and warning messages, solver messages, status messages, and so on.
During any update (cell, system, project, design point, multiple design point), any messages that are generated are displayed in the Messages pane. The Messages pane opens automatically if an error message occurs during an update, but in other situations you must open it manually.
You can display or hide the Messages pane by clicking or in the lower right corner of any Workbench tab.