last successfully processed transaction was TSN <num>:<num>

  Explanation:  A fatal, unexpected  error  was  detected  by  the
  database  management  system  during  the roll forward of an AIJ
  file.  This message indicates the "transaction sequence  number"
  of  the  last  transaction  successfully  processed  by  the AIJ
  roll-forward utility.

  User Action:  Contact your  Oracle  support  representative  for
  assistance.   Information  concerning the identified transaction
  TSN can be obtained  by  dumping  the  AIJ  journal,  using  the
  DUMP/AFTER_JOURNAL command.