The earliest recollection of this bug is traced back to PAN-OS 9.1.8 - July 29, 2024.
This bug is fixed in PAN-OS versions 9.1.8.
Fixed an issue where commits and autocommits repeatedly failed due to an OOM condition that disrupted the processes pan_task and devsrvr .
For more information:
https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-8-addressed-issues