For Partial Unpost in AR, on Action page, there is Review Unpost Now button

When I try to use the Review Unpost Now button on the Partial Unpost pages in AR, I am taken to review the accounting entries (which is how most of the action pages work in AR).  Most of the accounting entries pages give you a return to action page button on the accounting entries page.  I don't see one so then I try to get back to the action page for the partial unpost.  The only option I see the AR>Receivables Update> Unpost Groups>Pending Unpost Group to look up and post the group id.   When I try to