How To Fix EIT_GW_COMMON013 - Liteal &1 is not of type string.

SAP Error Message - Details

• Message type: E = Error

• Message class: EIT_GW_COMMON - Extensibility Template: Common Messages

• Message number: 013

• Message text: Liteal &1 is not of type string.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EIT_GW_COMMON013 - Liteal &1 is not of type string. ?

  The SAP error message EIT_GW_COMMON013 with the description "Literal &1 is not of type string" typically occurs in the context of SAP Gateway or OData services when there is a mismatch in the expected data type for a literal value. This error indicates that the system expected a string type but received a different type (e.g., integer, boolean, etc.).
  Cause:
  
  Data Type Mismatch: The most common cause is that the data being sent to the OData service is not in the expected format. For example, if a field is defined as a string in the OData model but the application is sending an integer or another type.
  Incorrect Mapping: There may be an issue with how the data is mapped in the backend service or in the OData model.
  Service Definition Issues: The OData service might be incorrectly defined, leading to type mismatches.
  
  Solution:
  
  Check Data Types: Review the data being sent to the OData service. Ensure that all literals are of the correct type as defined in the OData service metadata.
  Update OData Model: If the OData model is incorrectly defined, update it to ensure that the data types match the expected types.
  Debugging: Use debugging tools to trace the data being sent to the service. This can help identify where the type mismatch is occurring.
  Adjust Application Logic: If the application is sending data, ensure that it formats the data correctly before sending it to the OData service.
  Check Service Implementation: If you are developing the OData service, ensure that the implementation correctly handles the expected data types.
  
  Related Information:
  
  SAP Gateway: This error is often encountered in the context of SAP Gateway services, which expose business data as OData services.
  OData Services: Understanding OData service definitions and how to define data types in the service metadata can help prevent such errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to the SAP Gateway and OData documentation for best practices on defining and consuming OData services.
  
  By following these steps, you should be able to identify and resolve the cause of the error message EIT_GW_COMMON013.