unexpected overlap on page <num>
  free space end offset :  <num> (hex)
  minimum offset of any line :  <num> (hex)

  Explanation:  An overlap was found between the end of free space
  and  the  beginning  of the line closest to the beginning of the
  page.  This could be caused by the  corruption  of  locked  free
  space length, free space length, or the line index.

  User Action:   Dump  the  page  in  question  to  determine  the
  corruption.  Restore the database and verify again.