Hi Andreas > What is the value of FirstContactDate ? Here it is: > Traceback (innermost last): [...] > (Object: FirstContactDate) > (Info: ('FirstContactDate', DateTime('1900/01/01'), {'fmt': '%Y-%m-%d', > '': 'FirstContactDate'})) [...] The object being rendered is a ZClass. FirstContactDate is a property of type 'date', and its default value is 1900/01/01. Regards, Jean