Unable to install or download other OS versions with 10.2.0 installed

• Firewall upgrade fails after upgrading to base version 10.2.0.
• Error occurs during the installation process.
• Error persists even when attempting to install from Panorama.

ERROR LOGS

Failed to install OS versions with the following errors:

TypeError: '<' not supported between instances of 'NoneType' and 'str'
ValueError: not enough values to unpack (expected 3, got 2)
Failed to load into software manager. Please retry.
 Post processing failed. Please retry.

Additionally, a separate error of the following can be seen:

lt return self.release_info['date'] < obj.release_info['date']
TypeError: '<' not supported between instances of 'str' and 'datetime.datetime'
Failed to load into software manager. Please retry.
Post processing failed. Please retry.

Product versions

• PAN-OS: 10.2.0

• PA-Series Next-Generation Firewalls

As per the PAN_OS upgrade Guide

For manual upgrades, Palo Alto Networks recommends installing and upgrading from the latest maintenance release for each PAN-OS release along your upgrade path. Do not install the PAN-OS base image for a feature release unless it is the target release you want to upgrade to. <<<---!!!

REMEDIATION PLAN

1. Delete all other PAN-OS images from the Web GUI except for PAN-OS 10.2.0
2. Click on Check Now 
3. Download the required PAN-OS image 
   1. this can be done from the Command Line Interface (CLI) using the following command : > request system software download version 10.2.7-h3 

These steps can be used if the resolution from this document is not working.