How To Fix SOS_MAPPING818 - Attribute & has the wrong reference type

SAP Error Message - Details

• Message type: E = Error

• Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

• Message number: 818

• Message text: Attribute & has the wrong reference type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOS_MAPPING818 - Attribute & has the wrong reference type ?

  The SAP error message SOS_MAPPING818 indicates that there is a mismatch in the reference type of an attribute in your data model or mapping configuration. This typically occurs in scenarios involving data transformation or mapping, such as in SAP Data Services or SAP BW (Business Warehouse).
  Cause:
  The error arises when an attribute is expected to reference a certain type of data (e.g., a specific data element or structure), but it is instead referencing a different type. This can happen due to:
  
  Incorrect Data Type Mapping: The attribute is mapped to a data type that does not match the expected type in the target structure.
  Changes in Data Model: If the underlying data model has changed (e.g., a field was modified or deleted), the mapping may no longer be valid.
  Configuration Errors: Errors in the configuration of the data flow or mapping logic can lead to this issue.
  
  Solution:
  To resolve the SOS_MAPPING818 error, you can follow these steps:
  
  
  Check the Mapping Configuration:
  
  Review the mapping configuration for the attribute in question. Ensure that the data types match the expected types in the target structure.
  
  
  
  Validate Data Types:
  
  Compare the data types of the source and target attributes. Make sure that they are compatible. If necessary, adjust the data type in the mapping to match the target.
  
  
  
  Update Data Model:
  
  If there have been changes to the data model, update the mapping to reflect these changes. Ensure that all attributes are correctly referenced.
  
  
  
  Test the Mapping:
  
  After making adjustments, test the mapping to ensure that the error is resolved. Run the data flow or transformation again to verify that the issue no longer occurs.
  
  
  
  Consult Documentation:
  
  If you are unsure about the expected data types or how to configure the mapping, refer to the SAP documentation or help resources for guidance.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the mapping and data types, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Data Services: If you are using SAP Data Services, familiarize yourself with the data flow and mapping concepts, as well as the data types supported by the platform.
  SAP BW: If this error occurs in SAP BW, review the InfoObjects and their data types in the data model.
  Data Type Compatibility: Understanding the compatibility of different data types (e.g., CHAR, NUMC, DATS) is crucial for successful mapping.
  
  By following these steps, you should be able to identify and resolve the cause of the SOS_MAPPING818 error in your SAP environment.