How To Fix RSSDA059 - Field &3: Type mapping not supported: &1 -> &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDA - BW HANA Smart Data Access

• Message number: 059

• Message text: Field &3: Type mapping not supported: &1 -> &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSSDA059 - Field &3: Type mapping not supported: &1 -> &2 ?

  The SAP error message RSSDA059 indicates that there is a type mapping issue between two data types in a data transfer or data processing scenario. Specifically, it means that the system is unable to map the source data type (&1) to the target data type (&2) for the specified field (&3). This can occur in various contexts, such as during data extraction, transformation, or loading processes, especially when working with SAP Data Services or similar tools.
  Cause
  The error can be caused by several factors:
  
  Incompatible Data Types: The source and target data types are fundamentally incompatible. For example, trying to map a string to a numeric type without proper conversion.
  Unsupported Data Types: The target system may not support the data type being used in the source system.
  Configuration Issues: There may be misconfigurations in the data mapping settings or transformation rules.
  Version Mismatch: Different versions of SAP systems or tools may have different data type support.
  
  Solution
  To resolve the RSSDA059 error, you can take the following steps:
  
  
  Check Data Types: Review the data types of both the source and target fields. Ensure that they are compatible. You may need to change the data type in the source or target to match.
  
  
  Use Data Type Conversion: If the data types are incompatible, consider using a conversion function or transformation to convert the source data type to a compatible target data type. For example, if mapping a string to a number, ensure that the string can be converted to a numeric format.
  
  
  Update Mapping Configuration: If you are using a data mapping tool, check the mapping configuration for the specific field. Ensure that the mapping is correctly defined and that any necessary transformations are applied.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the supported data types and any limitations.
  
  
  Test with Sample Data: If possible, test the mapping with sample data to identify the specific values causing the issue. This can help in debugging the problem.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.
  
  
  Related Information
  
  SAP Data Services: If you are using SAP Data Services, familiarize yourself with its data type mapping capabilities and limitations.
  Data Type Reference: Review the SAP data type reference guide for the specific version of SAP you are using to understand the available data types and their compatibility.
  Error Logs: Check the error logs for additional context or related error messages that may provide more insight into the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the RSSDA059 error in your SAP environment.