/IWFND/CM_MGW_RT123 - Navigation property '&1' named identical to property '&2' of entity '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 123

• Message text: Navigation property '&1' named identical to property '&2' of entity '&3'

Self-Explanatory Message

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT123 - Navigation property '&1' named identical to property '&2' of entity '&3' ?

  The SAP error message /IWFND/CM_MGW_RT123 typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a conflict in the naming of navigation properties and entity properties within your OData model. Specifically, it suggests that a navigation property is named the same as a property of the same entity, which can lead to ambiguity in the OData service.
  Cause:
  The error is caused by the following:
  
  A navigation property (which is used to navigate between entities) has the same name as a property of the entity itself. This can confuse the OData service as it cannot distinguish between the two.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Rename the Navigation Property: 
  
  Change the name of the navigation property to something unique that does not conflict with any existing property names in the entity. This is the most straightforward solution.
  
  
  
  Check the Data Model:
  
  Review the data model in your OData service to ensure that there are no other naming conflicts. Make sure that all navigation properties and entity properties have distinct names.
  
  
  
  Regenerate the Service:
  
  After making changes to the naming, regenerate the OData service and re-activate it. This ensures that the changes are reflected in the service metadata.
  
  
  
  Test the Service:
  
  After making the changes, test the OData service to ensure that the error is resolved and that the navigation properties work as expected.
  
  
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP Gateway can help in designing your data model effectively.
  Naming Conventions: Following consistent naming conventions can help avoid such conflicts in the future.
  SAP Gateway Error Handling: Familiarize yourself with common SAP Gateway error messages and their resolutions to troubleshoot similar issues more effectively.
  
  By addressing the naming conflict, you should be able to resolve the error and ensure that your OData service functions correctly.