CASSI0004S PLTPI list 'PLTPI-list-name' could not be found

The Program Load Table Pre-Initialization (PLTPI) list PLTPI-list-name which was specified in the SIT for the starting region could not be located in any of the groups installed to the system.
System Action:
The region will not be started.
Make sure that the PLTPI list specified in the SIT is defined in a group which is installed to the system on system initialization. The list of groups to be installed to the system is defined in the startup list resource definition record.
Console and standard error.