invalid use of information table

  Explanation:  You attempted to create an  information  table  or
  reference an information table in an invalid way.  Here are some
  invalid ways it  could  have  been  used:   1)  Constraints  and
  triggers  cannot be defined on an information table.  2) Indexes
  cannot be defined on an  information  table.   3)  Storage  maps
  cannot  be  defined  on an information table.  4) An information
  table cannot be altered.

  User Action:  Redefine the information table or reference to the
  information table to comply as described above.