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

  Explanation:  A gap 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.