DFS1693I SC=16 PERMANENT I/O ERROR UPDATING REFERAL LIBRARY. CONTINUING WITH SYNTAX CHECK ONLY

Explanation
 IMS was unable to open the REFERAL
data set, or an I/O error occurred while writing a block to the IMS REFERAL
library.

System action
 All writes to the IMS REFERAL
library are suppressed. Processing continues with syntax checking
only.

Programmer response
 Ensure that a DD statement is present and
its specifications are correct. If a hardware failure is indicated,
rerun the job.