This error is usually the result of the ATmega not getting reset automatically.
Try pressing the Reset button on the board just after the "Binary Sketch Size" message. You might have to try a couple of times to get it just right.
This error is usually the result of the ATmega not getting reset automatically.
Try pressing the Reset button on the board just after the "Binary Sketch Size" message. You might have to try a couple of times to get it just right.