PsychoPy task will not run when synced to Pavlovia (stuck at initialising)

[wakecarter]

What is the error message?

Wakefield's Daily Tips

“initialising…” isn’t an error message If you try to run an experiment online and you get a blank screen with the word initialising… in the centre, you need to investigate further before asking for help. [image] This indicates a launch error, which is usually a syntax error in your JavaScript file that wasn’t caught by the checks during synchronisation, and may be in a Before Experiment code component tab. The most common cause for this error is that you are trying to import a Python library,…