I created and destroyed a bunch of wikis over a few weird internet connections while mixing up OpenID providers. My control panel now claims that both of these sites exist,

but wiki-thomaslevine-com3.branchable.com doesn't seem to exist.

This is problematic mainly because wiki-thomaslevine-com3.branchable.com is using the wiki.thomaslevine.com.

There isn't anything on either of the pages; there might be some bug that is associated with this, but it's fine if you just delete all of the sites in order to fix this particular instance.