I am currently experiencing a serious technical issue with my experiment. Although my experiment runs smoothly and without any problems locally in PsychoPy, it consistently fails to run on Pavlovia after syncing. Here is a detailed description of the problem: When I try to run the experiment on Pav…

That version should be fine. I haven’t come across that error before so something must be unusual with your setup or code. Have a look at these tips. [image] Wakefield's Daily Tips Blog Builder isn’t Coder I strongly discourage the use of PsychoPy Coder for t…

Hi, Thank you so much for taking the time to reply and explain things clearly. I really appreciate it. I just wanted to update you that I checked my .psyexp file carefully, and I can confirm that I have not used any code components. Everything was created using standard Builder components (Text,…

Try looking at your locale setting in File/Preferences/Application [image] You could change it to something like en_US if it is set to system locale. Perhaps your system has a language setting PsychoPy doesn’t recognise.

Please could you post the full traceback of the error message? Is it in the Runner window when you try to sync?

Thank you again for your help. Here is the full error message I get when trying to run the experiment online on Pavlovia: Unfortunately we encountered the following error: TypeError: tt().i18n.detectLanguage is not a function. (In ‘tt().i18n.detectLanguage(c)’, ‘tt().i18n.detectLanguage’ is unde…

If the error is displayed in the browser, then please could I have more information from there? [image] Wakefield's Daily Tips Blog Developer Tools If you encounter an error in an online study, open the Developer tools console using Ctl-Shift-I in Windows/Chro…

Hi, I opened the console as you suggested. The main error that appears is:

[Screenshot 2025-04-28 at 18.05.16] [Screenshot 2025-04-28 at 18.05.00]

[Screenshot 2025-04-28 at 18.04.52] [Screenshot 2025-04-28 at 18.04.40]

sorry for sending them like this , it only aloows me to send 2 pictures at a time. [Screenshot 2025-04-28 at 17.57.24] [Screenshot 2025-04-28 at 17.57.20]

JS and sync to pavlovia

Online experiments

wakecarter April 28, 2025, 3:55pm 9

If the error is displayed in the browser, then please could I have more information from there?

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JS and sync to pavlovia

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