Problem with Psychopy2 Coder: Sound is not played

Hi Laura, you really need to provide the full text of the error message so we can see where it arises from. i.e. we need to know if the error is arising from your own code, or is buried deep inside psychoPy itself.

But given that you are using a potentially quite old version of PsychoPy, I wonder if you are running into this old issue: