Altiris 7.5 Software portal error

We test upgraded Altiris 7.5. The software portal is available but if I want to request some software (approved) I get following page:

The messages(warnings) in the log file are below:

<event date="02/18/2014 15:39:00.1672594 +01:00" severity="2" hostName="hostname" source="Altiris.SoftwarePortal.Web.SoftwarePortalPageBase.OnPreInit" module="w3wp.exe" process="w3wp" pid="3968" thread="1068" tickCount="99823432"><![CDATA[Requested page could not be viewed: OurFQDserverName/Altiris/SoftwarePortal/UserPortal/ApprovedSoftwareConfirmationPage.aspx?PublishedSoftwareGuid=ccc3fb45-47bc-4fe2-a7d8-b4986711c86e]]></event>