Error when setting the image of ImageStim

[wakecarter]

The problem is that you are exporting to the html folder. I would recreate your experiment without this option since it confuses the 2021 version.

https://discourse.psychopy.org/t/image-resource-error-in-pavlovia-not-a-resources-forward-slash-issue/25109/2?u=wakecarter

Practice file (xlsx) cannot be found

If I were you I would start again in a fresh folder with the output path set to blank (not html). Nothing is needed in the completed URL field but you are confusing PsychoPy by using the historical html/resources method and the modern attached resources.