# Unit error after sending experiment to Pavlovia

**URL:** <https://discourse.psychopy.org/t/unit-error-after-sending-experiment-to-pavlovia/12449>\
**Category:** Online experiments\
**Created:** [April 16, 2020, 12:17pm UTC](https://discourse.psychopy.org/t/unit-error-after-sending-experiment-to-pavlovia/12449 "2020-04-16T12:17:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![elenaln](https://avatars.discourse-cdn.com/v4/letter/e/ba8739/32.png) [@elenaln](https://discourse.psychopy.org/u/elenaln)\
**Post date:** [April 16, 2020, 12:17pm UTC](https://discourse.psychopy.org/t/unit-error-after-sending-experiment-to-pavlovia/12449/1 "2020-04-16T12:17:29Z")

</div>

URL of experiment: [Pavlovia](https://pavlovia.org/Elenaln/syn_pr4_vis_task_try2)

Description of the problem:

I have a problem that when I run the experiment in Pavlovia, it gives an error shown on the screenshot.

 ![error_pavlovia2](https://us1.discourse-cdn.com/flex002/uploads/psychopy/original/3X/5/c/5c8b8c0f0cdf73cf65aca8f0e345c0819d1e2c2e.png)

In the experiment settings my preferred units are ‘deg’.

For those components which have to be sized in pixels, I have chosen ‘pix’ in the ‘units’ field of these components.

For those components which have to be sized in ‘deg’, I have chosen ‘from exp settings’ in the units field.

I have no idea what I can do to solve it.  
P.S. The following post did not help me with the problem.

> [@Unit error when sending experiment to Pavlovia](https://discourse.psychopy.org/t/unit-error-when-sending-experiment-to-pavlovia/7045):
>
> OS (e.g. Win10): MacOS Mojave 10.14.3 PsychoPy version (e.g. 1.84.x): 3.0.2 Standard Standalone? (y/n) If not then what?: Yes What are you trying to achieve?: I am trying to administer an experiment online so users without PsychoPy can also complete the experiment. What specifically went wrong when you tried that?: The first screen to enter the participant’s name works fine, but then the following error message pops up: What did you try to make it work?: I tried changing the…

Thanks in advance.

Elena