If you are inserting a section then the problem is likely due to not toggling
off "Same as Privious" or "Link to Previos" before deleting the page
numbering in the last section.

You could also do this with an IF field:

{ IF { PAGE }{ =({ NUMPAGES }-5) }{ PAGE } }

All fiedl braces { } are entered with CTRL+F9


"cs" wrote:

I have a 150 page document which is nicely paginated; however, I need for the
last five pages to contain no pagination. Every time I try to delete the
pagination, even within a new section, it deletes all of the pagination in
the entire document.