MESSAGE not an Alert Box

Rule "alertmessage" gives this warning when it finds a MESSAGE statement without the VIEW-AS ALERT-BOX option.

the risc:

GUI looks bad when SESSION:APPL-ALERT-BOXES happens to be FALSE.

How to suppress these warnings:

You can put directive {&_proparse_ prolint-nowarn(alertmessage)} directly before the MESSAGE statement.
See also: suppress warnings.