After upgrading my experiments to the latest psychopy version 2020.2.4 my experiments are not working and I keep getting the message “Cannot read property ‘0’ of undefined”
In all my experiment the image size are undefined because I want them to be displayed in their original size:
I think this causes the problem because when I set the image size, for example [1.5,1], the experiment is running, but the size is distorted.
Here is a link to a test version:
Thanks for your help