TSN  <num>:<num>  contains  DDL  information  that   cannot   be
  optimized

  Explanation:  The identified transaction contains an AIJ  record
  with  DDL  information.  DDL information cannot be optimized and
  forces a flush of the accumulated SORT information.  Too many of
  these  operations  limit  the  effectiveness  of  the  resulting
  optimized  after-image  journal   and   decrease   the   overall
  optimization performance.

  User Action:  No user action is required.