Subweb for project cannot be created

[rd]

Logged in as administrator, in MSTS, then Manage Subwebs,
and attempted to create subweb. Receive error
message "Error when trying to create a subweb. Subweb
does not seem to exist". Thank you.

 

[Ania]

Try this

http://support.microsoft.com/default.aspx?scid=kb;en-
us;819642

hope it helps. You may have to redo it if you have done it
before.