SDM has encountered an error when reading from a snapshot working-space data set located on device device with serial number volser. If the cswdata and the sense fields contain asterisks, the problem is an internal data mover error. The return and reason code indicate the specific error and the action to be taken.
The snapshot request has failed. An SDM error record has been written to SYS1.LOGREC.
Take action based on the return code, reason code, and sense information.
System data mover (SDM).