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Errno 2: no such file or directory

I am trying to run an experiment that I have successfully ran before. Now when I try to run it, the grey background briefly appears, then crashes, and a windowScreen Shot 2019-12-10 at 10.53.36 PM appears that says “[Errno 2] no such file or directory.” My operating system is Mac Catalina 10.15.1 and the PsychoPy version is 3.1.5. The OS was not the same as it is now when the experiment worked, so that may be a factor. What should I do?

I keep receiving this error as well. The same grey screen appears and then quits out and gives me ‘FileNotFoundError: [Errno 2] No such file or directory’

I am using PsychoPy 3.1.5 on a Mac.

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