New Message: Corrupt link on "Sites on this server"

[webmaster at userland.com]

A new message was posted:

Address: http://manila.userland.com/discuss/msgReader$1536

By: Georg Berg (georg.berg at wdr.de)

On the admin site are listed all sites on my server.
All but one are linked to the respective site mamagement pages.
The corrupt link creates the error:

Sorry! There was an error: Can't find a sub-table named "siteinfo".

This is a Manila site... http://manila.userland.com/.