error starting AIJ Log Catch-Up Server process

  Explanation:  An error occurred when you attempted to start  the
  detached  AIJ  Log  Catch-Up  Server  process  on the replicated
  database.

  User Action:  Examine the secondary message(s) or  look  in  the
  database   monitor   log  file  (SYS$SYSTEM:*MON.LOG)  for  more
  information.