BSYR056E The VOLSER qualifier should always be part of the data set
name to ensure that each data set name is unique.
Explanation
When specifying data set names for offloaded backups,
the VOLSER qualifier was not selected. The VOLSER qualifier should
always be part of the data set name to ensure that each data set name
is unique.
User response
Add the VOLSER qualifier to the data set name.