>Are there known do's and don't when using pageframes within pageframes?
>
>I am creating a form based on "cBizObjNoListMaintForm" where I have
>placed a pageframe on the first page of the pageframe provided as part
>of the class (parent pageframe). The second pageframe's(child)purpose is to have enough field space for the business object I placed on page 1 of the parent pageframe. No controls or additional business objects will be added to this child pageframe.
>
>When I try to enter the builder for the business object on page one of
>the parent pageframe, the builder gets errors in the following order:
>1) In statusbar the message "SecurityDBC_Name not found in APPINCL.dbf"
>2) Error message appears:
> Program Error
> "PAGES" is not object
>3) After continuing:
> MereMortals Builder
> Alis MMEC_Pagessecurity is not found
>
> USE in MMEC_PageSecurity.
>
>Are there specific do's and don't when using/adding pageframes to forms and other pageframes in the framework?
>
>I change the page names from PAGE3, PAGE4, etc to meaningful names for the pages I added to both the parent and child pageframes. PAGE1 and PAGE2 could not be changed. Is changing the page names part of my problem?

I'm not familiar with how MMF is architected. However, from a UI standpoint, you shouldn't do this. See www.iarchitect.com for examples of good and bad UI design.