ADR504E

Explanation
During RESTORE, a problem occurred locating a record
in the DFSMSdss dump data set. See the reason code at the end of the
message for more details.

System action
None.

Operator response
None.

Programmer response
01
If the DFSMSdss dump data set resides on more than one volume,
use COPYDUMP to copy the entire dump onto one volume.

Source
DFSMSdss