Fehlermeldung

User warning: The following module is missing from the file system: imagcache_actions. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1128 of /var/www/web245/html/includes/bootstrap.inc).
Fatal error: Cannot redeclare b5f611() (previously declared in /var/www/web245/html/modules/system/region.tpl.php:1) in /var/www/web245/html/modules/system/region.tpl.php on line 1