The Required Output Parameter error is issued in the following situation:
- (<method name>) method requires an output parameter with (<data type>) data type and Received In property set to 'Body': you are trying to change the 'Response Format' of a REST API method, or the 'Data Type' or 'Received In' properties of an output parameter in a REST API method.
Clicking the symbol will take you directly to the REST API method's 'Response Format' property where the problem was detected. Follow the instructions in the error message to resolve it.
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