How to use addError() with a dynamically derived field name?

I know I can add an error to a field as follows:

Account someAccount = [select id, name from Account limit 1];
someAccount.name.addError('Bad Name');

How can I do that if the field name is only available as a String?

Account someAccount = [select id, name from Account limit 1];
String someField = 'name';
// if I could only do something like the below
someAccount.addError(someField, 'Bad Name');

Answers:

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Method 1

You could vote for this Provide an additional addError method on SObject that accepts a field name idea, but as it has got nowhere in the last 5 years there is no reason to expect any progress in the next 5 years.

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