This error is usually caused by having a blank cell in a spreadsheet which your experiment tries to use as a component parameter that needs to be a number, such as the position of a visual stimulus.
If you can’t find a blank cell, it can be more difficult to trace the error because the line itself doesn’t appear in the Developer Tools.
URL of experiment: Lucy Mckeown / Spatial_localisation · GitLab
Description of the problem:
I received the error unable to convert undefined into a number:
[Screenshot 2021-06-04 at 10.50.28]
It occurred after updating the conditions files (replacing the ones previously locally in Psychopy) but I can’t see any spaces, blanks or any other issues with the conditions files. These new files also seems to work for my first two conditions but then stops working for the third one.
When I look in …
