Error (Expression): Element MAINCONTENT is undefined in a CFML structure referenced as part of an expression.

?? (68, 0) /var/www.cms.goethe.de/html/c40/goethe/_templates/goethe/einstiegsseite/mit_rechte_spalte_mit_AP.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]