Getting error: Validation errors in shopify.app.toml:

Shopify CLI and Libraries
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23

Also getting this on 4.2.0

24

Thanks everyone for chiming in and sharing additional context.
This issue has now been mitigated, so you should no longer see this error.
If you’re still running into it, please let us know.

25

I was hitting this exact error too. Updating the Shopify CLI to the latest version (4.2.0) resolved it for me, no other config changes needed.