# Online experiment no longer updating / 403 error / 404 error

**URL:** <https://discourse.psychopy.org/t/online-experiment-no-longer-updating-403-error-404-error/28840>\
**Category:** Online experiments\
**Created:** [April 26, 2022, 11:02am UTC](https://discourse.psychopy.org/t/online-experiment-no-longer-updating-403-error-404-error/28840 "2022-04-26T11:02:47Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![wakecarter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/wakecarter/32/5753_2.png) [@wakecarter](https://discourse.psychopy.org/u/wakecarter)\
**Post date:** [April 26, 2022, 6:57pm UTC](https://discourse.psychopy.org/t/online-experiment-no-longer-updating-403-error-404-error/28840/5 "2022-04-26T18:57:56Z")

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Sorry – I wasn’t clear on your error so I focussed on

> [@Rene\_Fr](#):
>
> piloting or running the experiment, it is still using the old version.

Here are two links you should follow:

[https://psychopy.org/online/resources.html](https://psychopy.org/online/resources.html)

> [@"Unknown Resource" online, but works fine offline?](https://discourse.psychopy.org/t/unknown-resource-online-but-works-fine-offline/25793/10):
>
> I have a few minutes to write a reply now. I have one experiment still using the html folder where I have set “Use PsychoPy Version” to 2020.2.3 in Experiment Settings. For another experiment what I did was: Close the experiment in Builder. Download any existing data from Pavlovia. Delete the repository from Pavlovia. Delete the local .git folder. Delete the local html folder (after removing any files than only exist in it). Delete other unnecessary local files. Open the experiment in Builde…

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