Use of FormDataConsumer with a disabled TextInput creates a bad setState() about react-admin HOT 6 CLOSED

Thanks for this report, after investigating, I can reproduce and see the error in the console.
It seems this issue in related to #9498.

Until it fixed, you can prevent this error by setting disabled in InputProps, such as:
<TextInput source="id" fullWidth InputProps={{ disabled: true }} />

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I have a similar issue where the data passed to my provider has my disabled field set to undefined.

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I added a test repo to my original query. Thank you everyone!

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Same behavior while trying to update Firebase document :

barecode property received as undefined when TextInput is disabled

FirebaseError: [code=invalid-argument]: Function updateDoc() called with invalid data.
Unsupported field value: undefined (found in field bareCode in document products/cvbz95WZmSZhAT5vHjQl)

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Quick update: I spent half a day trying to figure out what exactly is causing this warning, and how to work around it, but with no luck.
I'm pretty convinced this is due to a state mismanagement in the react-hook-form library, consecutive to the change they recently made in the way the disabled inputs are handled. But I couldn't reproduce it in a RHF only sandbox so far...

Nevertheless, this issue will probably be resolved along when we address issue #9498, which will require some time because we will probably need to implement support for the readOnly prop on all inputs.

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Fixed by #9656

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