I put Piwigo to my localhost and it installed ok. When I try to add photos I got following error:

Notice: Undefined index: uploads in C:\wamp\www\realgallery\piwigo\admin\photos_add_direct.php  on line 207

Warning: implode() [function.implode]: Invalid arguments passed in C:\wamp\www\realgallery\piwigo\admin\photos_add_direct.php on line 217



Warning:  [mysql error 1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 3

UPDATE piwigo_images
  SET level = 0
  WHERE id IN ()
; in C:\wamp\www\realgallery\piwigo\include\dblayer\functions_mysql.inc.php on line 642


Warning: Invalid argument supplied for foreach() in C:\wamp\www\realgallery\piwigo\admin\photos_add_direct.php on line 225



is there something I am missing here? I used the online installer.