extmem.8b00b5 DCSS <DCSS name> cannot be loaded or queried
Explanation
You cannot load or query the specified DCSS because it either is not defined
in the z/VM hypervisor, or it is a class S DCSS, or it is above 2047 MB
and the Linux system is a 31-bit system.
User response
Use the CP command "QUERY NSS" to find out if the DCSS is a valid
DCSS that can be loaded.