By default the PVU subcapacity Report (and others) cover the last 90 days. If a computer was deleted with in the reporting period, it will show as deleted.
The reporting period can be verified by clicking on “Configure View” while in the Report. Change the report interval to more recent, such as for last 7 days or so and verify the result.
To view more details about the computers that are included in the report for “IBM Spectrum Scale Express FPO”, go to Reports -> Software classification, filer for Product Name=“IBM Spectrum Scale Express FPO”, and view additional columns “Computer First Seen” and “Computer Last Seen” to confirm