Ah, yes. Formbuilder has the habit of not emptying the property once you've set something and then unset it. Looks like I missed one :-)
I think, if not bitmap[0], then it can probably just return "Null", which should get around it trying to load anything at runtime.
I think, if not bitmap[0], then it can probably just return "Null", which should get around it trying to load anything at runtime.