How To Fix FDT_HANA165 - &3: The type of DB field &1 is not convertible to the mapped element &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_HANA - BRFplus: HANA Integration

• Message number: 165

• Message text: &3: The type of DB field &1 is not convertible to the mapped element &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_HANA165 - &3: The type of DB field &1 is not convertible to the mapped element &2 ?

  The SAP error message FDT_HANA165 indicates that there is a type mismatch between a database field and the mapped element in your SAP application, particularly when working with HANA databases. This error typically arises in scenarios involving data mapping, such as when using SAP Data Services, SAP HANA Smart Data Integration, or similar tools.
  Cause:
  The error occurs due to one of the following reasons:
  
  Data Type Mismatch: The data type of the database field (&1) does not match the expected data type of the mapped element (&2). For example, trying to map a string field to an integer field.
  Incompatible Data Types: The source and target data types are not compatible, which can happen if the source field is defined as a complex type (like a structure) and the target is a simple type (like a string or integer).
  Database Constraints: There may be constraints or limitations in the database that prevent the conversion of one type to another.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Types: Review the data types of both the source database field and the target mapped element. Ensure that they are compatible. You can do this by checking the data dictionary or the metadata of the database.
  
  
  Modify Mapping: If the data types are indeed incompatible, you may need to modify the mapping. This could involve:
  
  Changing the target field's data type to match the source field.
  Using a conversion function or expression to convert the data type appropriately during the mapping process.
  
  
  
  Use Data Type Conversion Functions: If you need to convert data types, consider using built-in functions or expressions that can handle the conversion. For example, in SQL, you might use CAST() or CONVERT() functions.
  
  
  Review Database Schema: Ensure that the database schema is correctly defined and that there are no discrepancies in the data types defined in the database.
  
  
  Test the Mapping: After making changes, test the mapping to ensure that the error is resolved and that data is being processed correctly.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on data types and mapping in the context of your specific SAP application.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Debugging Tools: Utilize debugging tools available in your SAP environment to trace the data flow and identify where the type mismatch occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.