PsychoPy version; https://psychopy.org/download.html- dowloaded from here, it’s the beta version What are you trying to achieve?: I have trouble running my experiment, which is just a welcome screen for now. I keep on getting this error (attached below), and I just see a grey screen when I try to r…

Dear Noname_2024, Make sure your units are set correctly, both the text units and the experiment default units. Issac

Hello @Noname_2404 There is no error. It is just a warning. PsychoPy measures the frame rate before the experiment begins. Can you see that? What is your welcometext? By the way, if you intend to run your experiment online, it is better not to use a cloud drive such as OneDrive. Bets wishes Jens

Thank you for your reply. So I moved the experiment out of the onedrive and tried to run it again. I even tried changing the colour of the screen to something else, to see if there was any change. Here is my welcome script: [welcome-screen] However, when I run it, I still get a grey screen with n…

[image] Wakefield's Daily Tips Blog IndexSizeError: Failed to execute ‘getImageData’ on ‘OffscreenCanvasRenderingContext2D’: The source width is 0. [image] This error is nothing to do with image components. You probably have a text component set to pixels wit…

[image] stanley1O1: Make sure your units are set correctly, both the text units and the experiment default units. It worked! Thank you so much!

Can't run my experiment on psychopy

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wakecarter May 26, 2026, 10:00pm 5

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Can't run my experiment on psychopy

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