DFS2723I UNABLE TO OPEN DD=LOGTAPE. ANALYSIS TERMINATED.

Explanation
 A permanent I/O error might have occurred while
opening the input log data set, which resides on tape or DASD.

System action
 The IMS Fast Path Log Analysis utility,
DBFULTA0, terminates.

Programmer response
 Ensure that the LOGTAPE ddname is allocated
properly.