EB640 EDS DATASET WRITE ERROR nnn
Explanation
An error occurred while a WRITE was issued to the EPILOG xxxxxxxx data set.
System action
Processing continues with another workload or the next command.
User response
This problem could be caused by either an I/O error on the data set or an internal error within EPILOG. If the error code does not indicate an I/O error, call IBM Software Support for assistance.