Recovering from an Arq Backup semi-permanent error

Error: pack index data length 3292 is smaller than size of pack_index + index_objects

I’ve experienced this semi-permanent Arq Backup bug on enough occasions on various computers, sadly, that I’ve become adept at resolving them without needing to contact Arq’s support. That means I can get the backup running again in a short period of time without the need to go back and forth with support.

If you’re seeing these errors too, follow along to see what I do to correct this nasty condition and allow the backup to resume.

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