How To Fix /IWBEP/CM_V4S_RUN010 - Transformation error on deserialization

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 010

• 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_V4S_RUN010 - Transformation error on deserialization ?

  The SAP error message /IWBEP/CM_V4S_RUN010 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, which is the conversion of data from a specific format (like JSON or XML) back into a structured format that SAP can work with.
  Causes:
  
  Data Format Issues: The incoming data may not match the expected format or structure defined in the OData service. This can happen if the client sends malformed JSON or XML.
  Model Mismatch: The data being sent may not conform to the entity model defined in the OData service. This could be due to missing fields, incorrect data types, or unexpected additional fields.
  Service Configuration: There may be issues with the configuration of the OData service itself, such as incorrect mappings or missing metadata.
  Versioning Issues: If there are changes in the OData service or the underlying data model, and the client is still using an older version, this can lead to deserialization errors.
  Data Type Mismatches: If the data types in the incoming request do not match the expected data types in the service definition, this can cause deserialization to fail.
  
  Solutions:
  
  Check Incoming Data: Validate the format and structure of the incoming data. Ensure that it adheres to the expected JSON or XML schema defined by the OData service.
  Review OData Service Metadata: Check the service metadata (usually accessible via the $metadata endpoint) to ensure that the data being sent matches the expected structure and types.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs that can provide more context on what went wrong during deserialization.
  Update Client: If there have been changes to the OData service, ensure that the client application is updated to use the latest version of the service.
  Test with Postman or Similar Tools: Use tools like Postman to manually send requests to the OData service and see if you can replicate the error. This can help isolate whether the issue is with the client or the service.
  Check for Null Values: Ensure that required fields are not being sent as null or empty, as this can also lead to deserialization errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP Gateway you are using.
  OData Documentation: Review the OData documentation for best practices on data formats and service definitions.
  Community Forums: Engage with SAP Community forums or Stack Overflow for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the deserialization error and implement a suitable solution.