How To Fix /IWBEP/CM_MGW_RT117 - Property with field '&2' of data object '&1' has no name assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 117

• Message text: Property with field '&2' of data object '&1' has no name assigned

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT117 - Property with field '&2' of data object '&1' has no name assigned ?

  The SAP error message /IWBEP/CM_MGW_RT117 indicates that there is a problem with the metadata of an OData service, specifically related to a property of a data object that does not have a name assigned. This error typically occurs in the context of SAP Gateway and OData services when the service is trying to process a request but encounters an issue with the structure of the data being returned.
  Cause:
  
  Missing Property Name: The error suggests that a property within a data object (entity) is defined without a name. This can happen if the metadata definition is incomplete or incorrectly configured.
  Incorrect Data Model: If the data model used in the OData service is not properly defined, it may lead to properties being generated without names.
  Issues in the Service Implementation: If the service implementation (e.g., the ABAP code) does not correctly populate the properties of the data object, it can lead to this error.
  
  Solution:
  
  
  Check Metadata Definition: Review the metadata definition of the OData service. Ensure that all properties of the data objects are correctly defined with valid names.
  
  You can check the metadata by accessing the OData service URL with the $metadata suffix (e.g., http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata).
  
  
  
  Review Data Model: Ensure that the data model used in the OData service is correctly defined. If you are using a CDS view or a similar data source, verify that all fields are properly defined and have names.
  
  
  Check Implementation Code: If you are implementing the OData service in ABAP, check the code where the data is being populated. Ensure that all properties are being assigned valid values and that no properties are left uninitialized.
  
  
  Regenerate Service: If changes are made to the data model or the service implementation, regenerate the OData service and re-activate it. This can sometimes resolve issues related to metadata.
  
  
  Debugging: If the issue persists, consider debugging the OData service to trace where the property is being set and identify why it is not being assigned a name.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  OData Documentation: Review SAP documentation on OData services and the SAP Gateway to understand how to properly define and implement services.
  Community Forums: Engage with the SAP Community or forums where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.