My experiment is't starting

If this template helps then use it. If not then just delete and start from scratch.

OS: MacOS
PsychoPy version: v2024.2.3
Standard Standalone? y
What are you trying to achieve?: I am trying to run my experiment in the pilot mode

What did you try to make it work?: I created a very simple experiment which was already working before and now it suddenly stopped working

What specifically went wrong when you tried that?:
I got this error message:

This page isn’t working

localhost didn’t send any data.

ERR_EMPTY_RESPONSE

Hello

does this help?

There are more posts in the forum with the error ERR_EMPTY_RESPONSE.

Best wishes Jens

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