Create Deal return 422 Unprocessable Entity

Create a deal with API but it return an Error 422 Unprocessable Entity, but in deals screen it already added, what’s the issue related to this Api Call ?

and it already added in web :

this issue blocked me please advice

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A 422 Invalid attribute is usually caused by a malformed json, or fields not being named correctly, so our system to be unable to map those fields. My guess is that one of your json fields isn’t showing up, because it is formatted incorrectly. If you need more help, the API support team is there for you. You can more securely share details with them: integrations_support@activecampaign.com