error install AltSYS 0.58 on ImpressCMS
last alpha version ImpressCMS:
http://www.impresscms.org/nightly/builds/1.1/impresscms_1.1-20080528-r2503.tar.gzFatal error: Class 'XCube_ActionFilter' not found in /home/www/preload/SetupAltsysLangMgr.class.php on line 13