To Davor and Stefan! Thank you! I found the cause. I've using IC tag [userdb function=set_acl ...] in the wrong page login.html! Removing this solve it! Joachim -- Dipl. Phys.-Ing. Joachim Leidinger eBusiness & eCommerce Consulting Leidinger E-Mail: info at ebusiness-leidinger.de Internet: http://www.ebusiness-leidinger.de