DFS1330I SC=20 I/O ERROR. INPUT PROCESSING TERMINATED

Explanation
 An I/O error on SYSIN or SYSLIB occurred. This
message is preceded by a z/OS® message
indicating the specific type of error.

System action
 The preprocessor terminates with a forced end
of job (EOJ).

Programmer response
 Determine the cause of the I/O error, correct
it, and rerun the job.