The earliest recollection of this bug is traced back to PAN-OS 10.1.0 - February 19, 2025.
This bug is fixed in PAN-OS versions 10.1.6.
Fixed an issue where, when upgrading a multi-dataplane firewall from a PAN-OS 10.0 to a PAN-OS 10.1 release, the commit failed if the DHCP Broadcast Session option was enabled in the configuration.
When upgrading a multi-dataplane firewall from PAN-OS 10.0 to 10.1, if the configuration includes the DHCP Broadcast Session option enabled, the commit fails. Auto-commit is not affected. Workaround: Load the configuration from running config (load config from running-config.xml) and perform a commit.
For more information:
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-0-known-and-addressed-issues/pan-os-10-1-0-known-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-1-known-and-addressed-issues/pan-os-10-1-1-known-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-2-known-and-addressed-issues/pan-os-10-1-2-known-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-3-known-and-addressed-issues/pan-os-10-1-3-known-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-4-known-and-addressed-issues/pan-os-10-1-4-known-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-5-known-and-addressed-issues/pan-os-10-1-5-known-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-6-known-and-addressed-issues/pan-os-10-1-6-addressed-issues