URL of experiment: Pavlovia
The 404 error is not the problem.
Here are my suggestions for this error (from my crib sheet)
This error is very difficult to debug, but I have come across a few causes:
- a text element with a decimal size (e.g. .1) when the units are in pixels.
- setting an image as unspecified.
- Trying to run an experiment straight after syncing changes when there are lots of resources. To resolve this close and reopen the browser.
- Setting a property “during: ISI”.
If the experiment works on some browsers but not others try editing the index.html file directly to replace