How To Fix /IWBEP/CM_V4_RUNTIME004 - Transformation error on deserialization

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 004

• Message text: Transformation error on deserialization

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_RUNTIME004 - Transformation error on deserialization ?

  The SAP error message /IWBEP/CM_V4_RUNTIME004 Transformation error on deserialization typically occurs in the context of SAP Gateway and OData services. This error indicates that there was a problem during the deserialization process of the data being processed by the OData service. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Data Format Issues: The data being sent to the OData service may not be in the expected format, leading to deserialization errors.
  Model Mismatch: There may be a mismatch between the OData model and the data being sent. This can happen if the service definition has changed but the client is still using an old version.
  Invalid Data Types: If the data types in the payload do not match the expected types defined in the OData service, it can lead to deserialization errors.
  Missing Required Fields: If the payload is missing required fields that are defined in the OData model, it can cause deserialization to fail.
  Encoding Issues: Problems with character encoding (e.g., UTF-8 vs. ISO-8859-1) can lead to issues during deserialization.
  
  Solutions:
  
  Check Payload Format: Ensure that the data being sent to the OData service is in the correct format (JSON or XML) and adheres to the expected structure.
  Validate Data Types: Verify that the data types in the payload match those defined in the OData service. Make sure that numeric fields are not being sent as strings, for example.
  Review OData Model: Check the OData service definition and ensure that the client is using the correct version of the service. If there have been changes to the model, update the client accordingly.
  Include Required Fields: Make sure that all required fields are included in the payload. Refer to the OData service documentation to identify required fields.
  Check for Encoding Issues: Ensure that the character encoding of the payload matches what the OData service expects. If necessary, convert the payload to the correct encoding before sending it.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs that can provide more context about the deserialization error.
  
  Related Information:
  
  SAP Gateway Documentation: Review the official SAP Gateway documentation for guidelines on OData service development and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for managing OData services and /IWFND/ERROR_LOG for error logs.
  
  By following these steps, you should be able to identify the root cause of the deserialization error and implement a suitable solution.