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Each line in this display represents an unique message. An For messages with level ERROR and FATAL, an envelope icon at the beginning indicates whether message is new (open) or unacknowledged (closed). After clicking the ‘Acknowledged message’ button on the left side of the display, the icon disappears. Messages with level WARN and INFO do not have this functionality. The content of the message can be enlarged when clicking the ‘Open message’ button. The same icon is available in the status bar of the Delft-FEWS Explorer, to indicate new messages have arrived.
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