I recently purchased the DAGU kit for the Doodle bot. I set it all up as per the instructions and uploaded the sample text. I am a beginner and was hoping to use this simple kit to learn the basics of how all the components work and are programmed. Originally I was unable to get the robot to work properly, the right motor would spin continuously and the left was not responding (I checked, both motors were fine though).
However, now I am unable to upload the sketch to the controller. I get the following error: