How To Fix /IWBEP/CM_MGW_RT202 - Conversion '&1' of property '&2' and move to data container failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 202

• Message text: Conversion '&1' of property '&2' and move to data container failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT202 - Conversion '&1' of property '&2' and move to data container failed ?

  The SAP error message /IWBEP/CM_MGW_RT202 typically occurs in the context of SAP Gateway and OData services. This error indicates that there was a failure in converting a property value during the data transfer process, specifically when moving data to a data container. The placeholders &1 and &2 in the error message represent the specific value and property that caused the issue.
  Causes:
  
  Data Type Mismatch: The value being converted does not match the expected data type of the property. For example, trying to convert a string to a number or a date format that is not recognized.
  Null or Empty Values: The property may contain null or empty values that cannot be processed correctly.
  Incorrect Mapping: There may be an issue with the mapping between the OData model and the underlying data source, leading to incorrect data being passed.
  Custom Logic Errors: If there is custom logic implemented in the OData service, it may contain errors that lead to conversion failures.
  Data Format Issues: The data format may not conform to the expected format, such as date formats or currency formats.
  
  Solutions:
  
  Check Data Types: Verify that the data types in the source and target systems match. Ensure that the property types in the OData model are correctly defined.
  Handle Null Values: Implement checks to handle null or empty values before attempting to convert them.
  Review Mapping: Check the mapping configuration between the OData service and the underlying data source to ensure it is correct.
  Debug Custom Logic: If there is custom logic in the OData service, debug it to identify any issues that may be causing the conversion failure.
  Data Validation: Implement data validation to ensure that the data being processed meets the expected formats and types.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs related to the OData service.
  SAP Notes: Search for relevant SAP Notes that may address known issues related to this error message.
  OData Service Testing: Use tools like Postman or the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service and see the raw data being returned.
  Documentation: Refer to the SAP Gateway documentation for more information on data types and OData service development best practices.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.