New Blog Template URL set as Dashboard link for site...

Referring to:
https://premium.wpmudev.org/forums/topic/why-is-the-template-blog-set-as-the-dashboard-url-for-my-site-created-i-just-from-it#post-718881

I'm having the same problem as this person had, and I followed the instructions in that post since it fixed it for her, but it didn't fix it for me.