The error being received when attempting the push was the following:

In my case, the validation error was cleared by restarting services on the Panorama server:

After each command is run on Panorama, you'll need to wait a couple of minutes for each to take effect before you may access the CLI again. If this process alone does not fix the issue then I would suggest getting a case opened with Palo Alto Support to find an alternative solution to the specific issue being experienced.