return expense report rest API 415 Unsupported Media Type

Summary:

We are attempting to return a fully approved expense report.

Content (please ensure you mask any confidential information):

When I use the GET function, I get all the details back and have edited the body payload to be the below, but the error returned is 415 Unsupported Media Type

{

   "ExpenseStatusCode": "SAVED"

}

Version (include the version you are using, if applicable):

24A

Code Snippet (add any code snippets that support your topic, if applicable):

NA