IoT-Based Firewall on a Raspberry Pi 4

Did the re-flashing work OK?

If not, then take a look at these posts:
htps://community.ipfire.org/search?expanded=true&q=error%20-22%20order%3Alatest


EDIT: updated link:
https://community.ipfire.org/search?expanded=true&q=%22error%20-22%22%20order%3Alatest

and

see this post:

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