I am trying to run an experiment I created on the builder view on Pavlovia. And I get the following error: Unfortunately we encountered the following error: ReferenceError: Can’t find variable: os Try to run the experiment again. If the error persists, contact the experiment designer. Does tha…

You may need to attach the images via Experiment Settings/Online

So you didn’t add it yourself? Have you called anything os in your experiment?

No i have not called a variable os. The only ‘os’ I can find when I look in the python script generated is this: import os # handy system and path functions which is then called in at different places in the script eg: Ensure that relative paths start from the same directory as this script _thisD…

This is the online category. Does os appear in your javascript file?

No, i have checked the java script and i can not find anything named os.

Does the fact that i can not find a variable named os on the java script mean, the problem comes from the os import on the python script? Should I find a replacement of that?

Do you have your experiment settings set to an old PsychoPy version? [image] Initializing Problem, missing OscillatorNode variable Online experiments Hey @trevorbaer , apologies for the late reply. I was able get PsychoPy to export HTML as expected by going into Experiment…

Apologies i have just spotted these os in my java script. Is this relevant? These are some examples: expInfo[‘OS’] = window.navigator.platform; img_files = function () { var _pj_a = [], _pj_b = os.listdir(img_dir);

My Psychopy version is 2021.1.0.

There are more recent ones of 2021.1.2 and 2021.1.4 should I choose any one of those? Thank you

I tried version 2021.1.4 but it did not fix the problem.

Uploading online error

Online experiments

wakecarter April 16, 2021, 6:45pm 7

Do you have your experiment settings set to an old PsychoPy version?

Topic		Replies	Views
Error with online experiment-stuck on initilising Online experiments	31	1446	August 25, 2020
Experiment stuck initializing the experiment Online experiments	31	2560	May 20, 2020
Translating PsychoPy code to Javascript & general documentation Online experiments	43	7072	June 2, 2020
Problem initialising online experiment Online experiments	11	1022	December 9, 2020
Online experiment "Unknown Resource" issue Online experiments	43	11685	December 20, 2022

Uploading online error

Related topics