How To Fix FDT_EXPRESSIONS838 - Mapping parameter position &1: Parameter has a non-supported type

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 838

• Message text: Mapping parameter position &1: Parameter has a non-supported type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS838 - Mapping parameter position &1: Parameter has a non-supported type ?

  The SAP error message FDT_EXPRESSIONS838 indicates that there is an issue with a mapping parameter in your SAP Data Services or SAP Process Integration (PI) scenario. Specifically, it states that the parameter at the specified position has a non-supported type. This typically occurs when the data type of a parameter being used in a mapping or expression is not compatible with the expected data type.
  Cause:
  
  Unsupported Data Type: The parameter being referenced may have a data type that is not supported by the mapping or expression you are trying to use. For example, you might be trying to use a complex data type where a simple data type is expected.
  Incorrect Mapping Configuration: There may be a misconfiguration in the mapping where the expected data type does not match the actual data type of the parameter.
  Version Compatibility: If you are using different versions of SAP components, there might be compatibility issues with data types.
  
  Solution:
  
  Check Parameter Data Types: Review the data types of the parameters being used in the mapping. Ensure that they are compatible with the expected types in the context of the mapping or expression.
  Modify Mapping Logic: If a parameter has an unsupported type, consider modifying the mapping logic to convert the parameter to a supported type. This may involve using conversion functions or changing the data structure.
  Update Configuration: If the mapping is part of a larger configuration, ensure that all related components are correctly configured and that there are no discrepancies in data types.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the supported data types and any limitations that may apply.
  Testing: After making changes, test the mapping to ensure that the error is resolved and that the data is processed correctly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data type compatibility.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  SAP Help Portal: Utilize the SAP Help Portal for detailed information on data types and mapping configurations.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.