DFS1698I SC=16 I/O ERROR WHILE PROCESSING DIRECTORY OF REFERAL LIBRARY. CONTINUING WITH SYNTAX CHECK ONLY

Explanation
 IMS was unable to open the REFERAL
data set to process the directory entries, or an I/O error occurred
while reading directory blocks.

System action
 All processing involving the IMS REFERAL
library is suppressed, and processing continues with syntax checking
only.

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