If you keep clicking on 'next' (which since we are travelling back
in time, I think should be labelled 'earlier' instead) and reach back for
before Dec 13 you get:
Warning: Missing argument 1 for closedatabase() in /storage/mijndomein/users/019072/var/www/vhosts/sudocue.net/www.sudocue.net/database.php on line 81
No puzzles in archive.
Laura