Drupal Groups Sync broken

Changes introduced in 4.5.4 break the CiviCRM Groups Sync functionality in Drupal – may be only when using separate databases for Drupal and CiviCRM.

Error message generated when trying to log in or out (although I get white screen, not the error message):

PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'DRUPAL_DB.civicrm_group' doesn't exist: SELECT cgr.group_id AS group_id FROM

cgr INNER JOIN

cg ON cg.id = cgr.group_id WHERE (cgr.role_id = :db_condition_placeholder_0) AND (cg.saved_search_id IS NULL ) ; Array ( [:db_condition_placeholder_0] => 7 ) in civicrm_group_roles_add_remove_groups() (line 664 of /path/to/drupal/sites/all/modules/civicrm/drupal/modules/civicrm_group_roles/civicrm_group_roles.module).