Idea Machine: Why Did I Get an Error When I Tried to Submit My Submission?

The most common error to receive is "413 Request Entity Too Large". If you've received this error, continue to the steps below. If you have received any other error, screenshot the error message and email Learning Lab at

There is a 5MB upload limit for images in the Idea Machine simulation. If you got "413 Request Entity Too Large" error, you need to resize your image to 5MB or less.

  • You can resize the image online (for example, here: by scaling it to (x)% smaller than original, or via your operating system's photos app and finding the option to resize the image.


Contact: Learning Lab