FPX0186E Number of total CIs per UOW exceeded the maximum value `nnnn`.

Explanation
 The AREA definition for the number of CIs for
each UOW that exceeds nnnn is not valid because
the IMS buffer set number is
a half word. 

System action
 Processing ends with a return code of 8.

User response
 Correct the AREA definition, and rerun the job.