Error calling PA-API 5.0! HTTP Status Code: 400 Error Message: [400] Client error: `POST https://webservices.amazon.com/paapi5/searchitems` resulted in a `400 Bad Request` response: {"__type":"com.amazon.paapi5#ValidationException","Errors":[{"Code":"InvalidParameterValue","Message":"The value Miscell (truncated...) Error response body: {"__type":"com.amazon.paapi5#ValidationException","Errors":[{"Code":"InvalidParameterValue","Message":"The value Miscellaneous provided in the request for SearchIndex is invalid. Refer https://webservices.amazon.com/paapi5/documentation/locale-reference/united-states.html#search-index for valid values."}]}