Error (Expression): Complex object types cannot be converted to simple values.

CF_CAST (144, 0) /var/www.cms.goethe.de/html/c40/goethe/_templates/goethe/kalender/default.cfm
CFINCLUDE (20, 0) /var/www.cms.goethe.de/html/c40/contens/util/properties/exec.cfm
CFMODULE (67, 0) /var/www.cms.goethe.de/html/c40/contens/util/properties/execinclude.cfc ... [18]