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Error occurred when opening <HTTPError 500: 'Internal Server Error'>

#1 by gmdcastillo

Hi Chris,

Just to report I've had this error appear in my experiment. It affected subjects in the transition between a page using GroupByArrivalTime with a custom method and the next page. 

Subjects somehow managed to pass the GroupByArrivalTime as if they were in a group but they were all alone in their group. Of course the experiment crashed.

I have everything on Sentry if you want.

Error occurs in otree/tasks.py

def get(url):
    # some users were reporting URLError but not clear what URL it was
    except URLError as exc:
        raise Exception(f'Error occurred when opening {url}: {repr(exc)}') from None

Indeed some users are reporting this error!


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