This problem occurs when the SectionPages or NumPages field is placed inside the header or footer. This problem also occurs when you use the Page X of Y AutoText entry. To resolve this problem, obtain Microsoft Office 2000 Service Release 1/1a (SR-1/SR-1a).
Microsoft has confirmed this to be a problem in the Microsoft products. This problem was corrected in Microsoft Office 2000 SR-1/SR-1a.