Hi. Using horde-5-RC1 and the latest IMP when I try to send a new message using traditional view the following error appears in log. 2012-10-29T10:57:44+02:00 WARN: HORDE [imp] PHP ERROR: Illegal offset type in isset or empty [pid 7430 on line 265 of "/var/www/horde5/imp/lib/ Indices.php"] Using dynamic view works ok.