Smart Classroom - Unknown error prevents training

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Jonathan Wallis

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Dec 3, 2025, 1:17:42 PM (12 hours ago) Dec 3
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Good afternoon everyone,

I am preparing the Smart Classroom activity to do it with my 5th graders and  when I go to train the model I get an unknown error message in a pink bar ( see below).

I tried setting up the project again and that didn't work either.

What else should I troubleshoot? 

Thanks a lot,
Jonathan W.
Screenshot 2025-12-03 at 1.11.17 PM.png

Dale Lane

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Dec 3, 2025, 1:18:26 PM (12 hours ago) Dec 3
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If you can give me details of the project (the URL for the page in your screenshot would be sufficient) then I can look into it for you.

Kind regards

D

Jonathan Wallis

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Dec 3, 2025, 4:49:01 PM (8 hours ago) Dec 3
to Machine Learning for Kids
Here's the URL:


And , thanks for getting back to me so quickly. Much appreciated!

Dale Lane

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Dec 3, 2025, 4:50:28 PM (8 hours ago) Dec 3
to Machine Learning for Kids
Sorry - I didn't think to ask if your project was stored in the cloud

As it isn't, I can't look at it - the only copy of it is on your computer. Please can you download a copy of the training data and send me that, and then I can try it for myself. 

Kind regards

D
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