Problems with Test Publishing in HTML

I have created a WBT with 40 questions in Lectora 2003. After publishing in HTML there are a lot of pages which will not be opened - this are pages with several question types.I search and search the mistake Do someone of you have any idea what can be the problem? With Publishing are no mistake information.I have also tested it after publishing in Lecotra 2005 - here is the same problemMany thanks for your help.Stine