未分類カテゴリがマイナス（-75）になりました

[Jonathan5]

I had this problem recently, though of course I don’t know anything about why it happened in your case. It righted itself within 24 hours.

Negative category count (minus number) after unlisting/deleting

Yes, that’s the problem. I can reproduce the issue on my test site. Unlisting a topic removes the topic from its category’s topic stats. If you then delete the unlisted topic, it is again subtracted from its category’s topic stats. This means that unlisting and then deleting a single topic is counted as removing two topics from the stats. Discourse runs a CategoryStats background job once every 24 hours. When that job runs, the stats for your category should get fixed. If you have access to y…