This file contains a cumulative listing of known errors or deficiencies in the PVO ORPA volume series. Volumes: PV10_0002 and PV10_0003 The INDEX.TAB and CUMINDEX.TAB files, normally present in the INDEX directory of a PDS volume, are not present on this disk. In addition, most of the files in the MANAGE directory, which the PPI Node includes on its disks to facilitate use of the DITDOS software, are absent from this disk.