Your Portal Version: 1.0.0RC3
Your phpBB Type: Standard phpBB3
MODs installed: No
Your knowledge: Beginner

PHP Version: 4.4.4-8
MySQL Version: 5.0.32

What have you done before the problem was there?
Modified:
includes/acp/acp_portal.php
Added: 'portal_enable' => array('lang' => 'PORTAL ...