JsPsych Pavlovia Can't Connect to the Server

[wakecarter]

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Pavlovia internal server error - results don't get saved

URL of experiment: https://run.pavlovia.org/Crible/rate1/html Description of the problem: I can run my experiment online but at the end I have an error message “when uploading participant’s results: undefined” and the data doesn’t get saved either in CSV nor in the database. I tried to re-run previous experiments, I noticed that if I did not enter something in the Participant ID field, data won’t save. But for the present one “rate1”, even when I write something there, in running mode, with as…