The earliest recollection of this bug is traced back to PAN-OS 9.1.12 - July 29, 2024. This bug is fixed in PAN-OS versions 9.1.12. Fixed an issue where the Panorama appliance didn't return inherited device group locations pertaining to Security policies for REST API queries. For more information: https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-12-addressed-issues