Problem with language model download (Cache.add network error)

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Vladimir

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May 10, 2026, 5:01:49 PM (3 days ago) May 10
to Machine Learning for Kids
Снимок экрана 2026-05-03 123123.pngHello,

I encountered a problem while using your website (Machine Learning for Kids) on the "Prepare a language model" page.

When trying to download the model, I get the following error:
"Failed to execute 'add' on 'Cache': Cache.add() encountered a network error"

The model starts downloading ("Downloading..." appears), but then this error shows up and it doesn’t complete.

Here is some additional information:

  • Browser: Microsoft Edge (Windows 11)
  • Internet connection: stable
  • I tried refreshing the page and disabling extensions, but the issue persists

Could you please help me understand what might be causing this issue and how to fix it?

Thank you in advance!

Best regards,
Vladimir

Dale Lane

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May 10, 2026, 5:08:24 PM (3 days ago) May 10
to Machine Learning for Kids
I haven't seen this happen before myself, but a quick search turned up a similar report at https://github.com/mlc-ai/web-llm/issues/389 

The description of the problem there suggests it's due to a lack of space left in the browser storage for downloading the model files

Kind regards

D
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