如果是传入cpc_advertising:campaign_management，那么返回[“error_description”]=> string(30) “An unknown scope was requested” [“error”]=> string(13) “invalid_scope” 又是什么原因
This error usually indicates that you are not yet whitelisted for the Amazon Advertising scope.
Please make sure you sign up for Amazon Advertising here : https://advertising.amazon.com/API#sign_up
and wait for a confirmation email about being whitelisted to access that scope.
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