Guest can not open any Solutions

Guest can not open any Solutions

good day.
in the version of ServiceDesk Plus 9422, a problem was discovered. The author or guest can not open any Solutions, by reference from the title.
http://sd/AddSolution.do?submitaction=viewsolution&fromListView=true&solutionID=700
open page http://sd/jsp/AuthError.jsp?ErrorMsg=You%20are%20not%20authorized%20to%20view%20this%20page.
You are not authorized to view this page.

but under the link "direct" or from the advertisement everything is ok.
http://sd/AddSolution.do?solID=700

Technician discovers everything without errors

What could be the reason?
Thank.

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