Error (Expression): Element 3 is undefined in a CFML structure referenced as part of an expression.

?? (10, 0) D:\web_data\hotelleriesuisse.ch\http\hotelleriesuisse\hotelleriesuisse\_apps\GetLabel.cfm
CFINCLUDE (6, 0) D:\web_data\hotelleriesuisse.ch\http\hotelleriesuisse\_templates\newsletter.cfm
CFINCLUDE (15, 0) D:\web_data\hotelleriesuisse.ch\http\contens\util\properties\exec.cfm ... [19]