创建新主题时出现“分类不能为空”提示

[eviltrout (Robin Ward)]

Thanks for the confirmation @tshenry. When I tested this, I must have accidentally used a high enough trust level user to skip approval.

Here’s a fix:

https://github.com/discourse/discourse/commit/123c05cb0700a7995a52f5f50d7cb9b9780064b3