I was certain I had seen this somewhere before and after poking my brain with a stick for a little while I remembered that someone had asked a question about this exact issue on StackOverflow: http://stackoverflow.com/questions/13847817/upgrading-from-flex-3-0-to-flex-3-6-custom-combobox-getting-typeerror-in-super
And while searching for it, I also found this one: http://stackoverflow.com/questions/12278197/flex-3-value-aware-combo-box-error Max On Mon, Feb 4, 2013 at 9:58 AM, Justin Mclean <jus...@classsoftware.com>wrote: > Hi, > > > I didn't think that resulted in a TypeError. I thought it was some > other error. > TypeError: Error #1009: Cannot access a property or method of a null > object reference. > > Can't get much clearer than that :-) > > > Or just add a null check there. > Thought that what I suggested? > > Thanks, > Justin
