I have started using the external tool for the google doc cloud assignment submission. When some students submit it gives them a blank bock that says close and at the of the assignment it says "there was an error while submitting this assignment" Am i doing something wrong? is there a solution to this? Is it becuase they are all submitting at once? how do i solve this because now in canvas they will loose their work. Yes, it is saved on google drive but in order to turn it in they would need to re-type it. No, the file open does not work, the box stays blank and doesn't let them open something from their drive to turn in.