Projects are not shown under "manage projects"

In which Wildbook did the issue occur?
What operating system were you using? (eg. MacOS 10.15.3)
What web browser were you using? (eg. Chrome 79)
What is your role on the site? (admin, researcher, etc)
What happened?
I went to the “manage project” menu and a lot of my projects (named “Uni Bielefeld - …”) are not shown there.

What did you expect to happen?

What are some steps we could take to reproduce the issue?

If this is a bulk import report, send the spreadsheet to with the email subject line matching your bug report

Now I can see all my projects again

Let me know if you see this again. To the best of my knowledge, we did not touch the server, so it seems to have resolved on its own.