How To Fix /IWBEP/CM_V4_COS038 - Application data of compl. type '&1' not moved to internal data container

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_COS -

• Message number: 038

• Message text: Application data of compl. type '&1' not moved to internal data container

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_COS038 - Application data of compl. type '&1' not moved to internal data container ?

  The SAP error message /IWBEP/CM_V4_COS038 indicates that there is an issue with the application data of a complex type not being moved to the internal data container. This error typically occurs in the context of SAP Gateway and OData services, particularly when dealing with complex data types in the service implementation.
  Cause:
  
  
  Data Structure Mismatch: The structure of the data being sent does not match the expected structure defined in the OData service. This can happen if the complex type is not properly defined in the metadata or if the incoming data does not conform to the expected format.
  
  
  Serialization Issues: There may be issues with the serialization of the complex type data. If the data cannot be serialized correctly, it will not be moved to the internal data container.
  
  
  Implementation Errors: There could be errors in the implementation of the OData service, such as missing or incorrect handling of complex types in the code.
  
  
  Data Type Issues: The data types being sent may not be compatible with the expected types in the service definition.
  
  
  Solution:
  
  
  Check Metadata: Verify the metadata of the OData service to ensure that the complex type is correctly defined. Make sure that all properties and types match what is expected.
  
  
  Validate Incoming Data: Ensure that the data being sent to the OData service conforms to the expected structure and types. You can use tools like Postman or SAP Gateway Client to test the service with sample data.
  
  
  Review Implementation: Check the implementation of the OData service, particularly the methods that handle the complex types. Ensure that they are correctly processing the incoming data.
  
  
  Debugging: Use debugging tools to trace the execution of the OData service and identify where the data is failing to be moved to the internal data container. Look for any exceptions or errors in the code.
  
  
  Error Handling: Implement proper error handling in the service to catch and log any issues that occur during data processing.
  
  
  Related Information:
  
  SAP Gateway: Familiarize yourself with the SAP Gateway framework and how it handles OData services, especially regarding complex types.
  OData Protocol: Understanding the OData protocol and how it defines data types and structures can help in troubleshooting issues related to data serialization and deserialization.
  SAP Notes: Check for any relevant SAP Notes or documentation that may address this specific error or provide additional guidance on handling complex types in OData services.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.