Ubercart

Using:
drupal 7.x-dev.tar.gz of 30.01.2011
ubercart-7.x-3.0-beta1.tar.gz

Accessing ?q=admin/store I get the following message 6 times:
Notice: Undefined index: block_callback in uc_store_admin() (line 37 of /srv/www/htdocs/test/sites/all/modules/ubercart/uc_store/uc_store.admin.inc