How To Fix SADL_GW_EXPOSURE018 - Action Exposure: Action &1 has duplicate importing parameters.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_EXPOSURE - SADL Gateway Exposure

• Message number: 018

• Message text: Action Exposure: Action &1 has duplicate importing parameters.

What causes this issue?

The action has an importing parameter that has the same name as a key
field in the bound entity.

System Response

The system shows a warning that an importing parameter is duplicated. In
Metadata exposure the system automatically replaces the data type of the
duplicated importing parameter to that of the key field.

How to fix this error?

No action is required.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_EXPOSURE018 - Action Exposure: Action &1 has duplicate importing parameters. ?

  The SAP error message SADL_GW_EXPOSURE018 indicates that there is a problem with the definition of an action in the SAP Gateway service. Specifically, it states that the action you are trying to expose has duplicate importing parameters. This can occur when two or more parameters in the action definition have the same name, which is not allowed.
  Cause
  The primary cause of this error is the presence of duplicate parameter names in the action definition of your OData service. When you define an action in the SAP Gateway, each parameter must have a unique name to avoid ambiguity during execution.
  Solution
  To resolve this error, you need to check the action definition in your OData service and ensure that all importing parameters have unique names. Here are the steps to do this:
  
  
  Open the Service Builder (Transaction Code: SEGW):
  
  Go to the Service Builder in your SAP system.
  
  
  
  Locate the OData Service:
  
  Find the OData service that is causing the error.
  
  
  
  Check Action Definition:
  
  Navigate to the "Actions" section of your service.
  Select the action that is causing the error.
  
  
  
  Review Importing Parameters:
  
  Look at the list of importing parameters for the selected action.
  Identify any parameters that have the same name.
  
  
  
  Rename Duplicate Parameters:
  
  Change the name of the duplicate parameters to ensure that each parameter has a unique name.
  
  
  
  Save and Activate the Service:
  
  After making the necessary changes, save your work and activate the service.
  
  
  
  Test the Action:
  
  Test the action again to ensure that the error has been resolved.
  
  
  
  Related Information
  
  SAP Gateway: The SAP Gateway is a technology that allows you to connect devices, environments, and applications to SAP systems. It enables the creation of OData services that can be consumed by various clients.
  OData Services: OData (Open Data Protocol) is a standard protocol used for building and consuming RESTful APIs. In SAP, OData services are used to expose business data and operations.
  Error Handling: When working with OData services, it's important to handle errors gracefully. Ensure that your application can manage errors and provide meaningful feedback to users.
  
  If you continue to experience issues after following these steps, consider checking the SAP Community or consulting SAP support for further assistance.