How To Fix /IWFND/CM_MGW_RT116 - Property '&2' of data object '&1' has no type assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 116

• Message text: Property '&2' of data object '&1' has no type assigned

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT116 - Property '&2' of data object '&1' has no type assigned ?

  The SAP error message /IWFND/CM_MGW_RT116 indicates that there is a property in a data object that does not have a type assigned to it. This error typically occurs in the context of SAP Gateway and OData services when the metadata definition of an entity is incomplete or incorrectly defined.
  Cause:
  
  Missing Type Definition: The property in question is defined in the OData service but does not have an associated data type. This can happen if the metadata is not properly defined in the service's data model.
  Incorrect Annotations: If the annotations in the service definition are incorrect or missing, it can lead to this error.
  Model Changes: If there have been recent changes to the data model (like adding new properties) without updating the corresponding metadata, this error may occur.
  Service Activation Issues: Sometimes, the service may not be activated properly, leading to inconsistencies in the metadata.
  
  Solution:
  
  
  Check Metadata Definition: Review the metadata definition of the OData service. Ensure that all properties of the data objects have a type assigned. You can do this by checking the service's data model in the SAP Gateway Service Builder (transaction code SEGW).
  
  
  Update the Data Model: If you find any properties without a type, you need to assign the appropriate type to them. This can be done in the service definition:
  
  Open the service in SEGW.
  Navigate to the entity type and check the properties.
  Assign the correct data type to any properties that are missing it.
  
  
  
  Regenerate the Service: After making changes to the data model, regenerate the service. This can be done by right-clicking on the service in SEGW and selecting "Generate Runtime Objects".
  
  
  Activate the Service: Ensure that the OData service is activated. You can do this in the SAP Gateway Service Builder or by using transaction code /IWFND/MAINT_SERVICE.
  
  
  Test the Service: After making the necessary changes, test the OData service again to ensure that the error has been resolved.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SEGW: SAP Gateway Service Builder for creating and managing OData services.
  /IWFND/MAINT_SERVICE: For maintaining and activating OData services.
  
  
  
  Documentation: Refer to SAP Help documentation on OData services and SAP Gateway for more detailed information on defining data models and troubleshooting common issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message or provide additional guidance.
  
  
  By following these steps, you should be able to resolve the error message /IWFND/CM_MGW_RT116 and ensure that your OData service is functioning correctly.