B23

Explanation
An unrecoverable I/O error has occurred during processing of the stand-alone version of the
input/output configuration program (IOCP).

Operator response
Notify the system programmer.

System programmer response
Search problem reporting databases for a fix for the problem. If no fix exists, contact the IBM® Support Center. Provide all printed output and output data
sets related to the problem.

Source
Input/output configuration program (IOCP)