Error launching remote program: device locked.

Get this message while trying to build your iPhone app? Simply turn off your passcode protection.

Say what?

One to the major annoyance with the Flash/Flex compiler is the error messages.  For example,  the error below is pretty common (even with live sites) and happens when you try to send a message to an object that happens to be null.  If the compiler would just give a hint which variable or property/method it's referring to, it would save everyone so much time.

TypeError: Error #1009: Cannot access a property or method of a null object reference.

Can you see what's wrong with this?