# Updating outdated Experiment

**URL:** <https://discourse.psychopy.org/t/updating-outdated-experiment/45007>\
**Category:** Online experiments\
**Created:** [June 10, 2025, 7:16am UTC](https://discourse.psychopy.org/t/updating-outdated-experiment/45007 "2025-06-10T07:16:54Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Dareloth](https://avatars.discourse-cdn.com/v4/letter/d/d2c977/32.png) [@Dareloth](https://discourse.psychopy.org/u/Dareloth)\
**Post date:** [June 10, 2025, 2:18pm UTC](https://discourse.psychopy.org/t/updating-outdated-experiment/45007/5 "2025-06-10T14:18:25Z")

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Cheers wakecarter (and everyone reading along, maybe :D),

thank you so much again. I have by now fixed the afforementioned error with the backslashes, which caused me another problem: I ran into trouble with the previous method of downloading resources. By now the experiment downloads them all as I added a Resource Manager component instead. Now I encounter another problem:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/psychopy/original/3X/b/7/b7a1b9e5501f1515ca5f5e598ad76cefb724ee61.png)

 ![image](https://us1.discourse-cdn.com/flex002/uploads/psychopy/original/3X/1/6/16006c3d98da2e4351458bd6df3c8492cfd61a97.png)

I apologize again for the inconvenience and greatly appreciate the support so far. I have updated the repository as well if that proviedes necessary information.

Edit: I am also aware of this suggestion, sadly I have failed so far to implement it - if it is the problem at hand at all:

> [@TypeError: Cannot read properties of undefined (reading 'src')](https://discourse.psychopy.org/t/typeerror-cannot-read-properties-of-undefined-reading-src/27550):
>
> URL of an experiment: [IOR [PsychoPy]](https://run.pavlovia.org/Carmel/ponzo_illusion_inhibitation_of_return) Description of the problem: The error occurs when running through trials of the experiment. After a certain amount of variable responses, the TypeError: Cannot read properties of undefined (reading ‘src’) error occurs. In some conditions, the error only appears after 2-3 trials while other conditions take up to 30 trials for the error to occur. Any help would be great. I have limited coding experience so this is daunting

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