<num> of the active transactions prepared but not yet committed
  or aborted

  Explanation:  Upon completion of the roll-forward operations for
  the current AIJ file, more than 1 transaction remains active AND
  prepared.  That is, the commit or roll-back information either
  resides in the next AIJ file to be processed, or the action can
  be determined using DECdtm upon completion of the recovery
  operation.

  User Action:  No user action is required.  This message is
  informational only.