Receive a "filtering error" message when attempting to update AdGuard Block Lists

Is there any reason why I would not be able to save or update a block list? When I attempt to select a block list and then save it, AdGuard doesn’t do anything and just stays on the Choose Blocklist page. Also, when I try to check for updates for the current / default block lists, I receive a filtering error within the docker log file. Screenshots attached.

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Please do not share text messages as screenshots. They are unnecessary hard to read.

Furthermore. the topic is not about docker mechanics, but rather about function aspects of an application you happen to run as a container. You will need to wait until someone who actually used AdGuard responds to your post