current page is not a space management page

  Explanation:  The operation is trying  to  access  a  data  page
  using the space management page format.

  User Action:  If you want access to  a  space  management  page,
  then  make  the  current page a space management page and repeat
  the operation.  If the current page is  correct,  then  you  can
  only reference it with the data page format, and a new operation
  is needed.