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Internal Error when opening experiment - Worked fine earlier today

OS (e.g. Win10): Win10
PsychoPy version (e.g. 1.84.x): Standalone PsychoPy 2020.2.10
Standard Standalone? (y/n) If not then what?:

I had created my experiment, got it working perfectly locally on Builder, synced it to Pavlovia, made some tweaks–everything worked perfectly through that process. I then sent a link to my RA to pilot the task, after which I started to receive the following Internal Handling error when I opened PsychoPy.

Traceback (most recent call last):
File “C:\Program Files\PsychoPy3\lib\site-packages\psychopy\”, line 864, in onIdle
File “C:\Program Files\PsychoPy3\lib\site-packages\psychopy\app\”, line 105, in doIdleTasks
_doTask(taskName, app)
File “C:\Program Files\PsychoPy3\lib\site-packages\psychopy\app\”, line 142, in _doTask
File “C:\Program Files\PsychoPy3\lib\site-packages\psychopy\app\pavlovia_ui\”, line 86, in setUser
if user is None and PavloviaMenu.appData[‘pavloviaUser’]:
TypeError: ‘NoneType’ object is not subscriptable


a pilot link can not be shared. Add the RA as a member of the project (if I understand your problem correctly)

Best wishes Jens

Aha. Thanks for that clarification. She was able to complete the study, for what it is worth.

The problem is bigger, though. The experiment will not load correctly, nor will it sync on Pavlovia.