How To Fix FDT_EXPRESSIONS662 - Result data object is not compatible with result of last function &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 662

• Message text: Result data object is not compatible with result of last function &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS662 - Result data object is not compatible with result of last function &1 ?

  The SAP error message FDT_EXPRESSIONS662 indicates that there is a compatibility issue between the result data object and the result of the last function in a formula or expression. This typically occurs in the context of SAP's Flexible Data Import (FDI) or similar data processing scenarios where expressions are evaluated.
  Cause:
  The error arises when:
  
  The data type of the result from the last function does not match the expected data type of the result data object.
  There may be a mismatch in the expected structure or format of the data being processed.
  The function used may return a different type of data than what is defined for the result data object.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Review the data types of the result data object and the output of the last function. Ensure they are compatible. For example, if the result data object is defined as an integer, the last function should also return an integer.
  
  
  Modify the Expression: If necessary, modify the expression or function to ensure that the output matches the expected data type. This may involve using type conversion functions or changing the logic of the expression.
  
  
  Review Function Documentation: Consult the documentation for the function being used to understand what data types it returns. This can help you adjust your expression accordingly.
  
  
  Debugging: If you are unsure where the mismatch is occurring, consider adding debugging statements or logging to track the data types and values being processed.
  
  
  Test with Sample Data: Create test cases with sample data to see how the expression behaves and to identify where the incompatibility arises.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide additional guidance.
  
  
  Related Information:
  
  SAP FDT (Flexible Data Transformation): Familiarize yourself with the Flexible Data Transformation framework, as understanding its components can help in troubleshooting.
  Data Types in SAP: Review the different data types supported in SAP and how they interact with functions and expressions.
  Error Handling: Implement error handling in your expressions to gracefully manage situations where data types may not match.
  
  By following these steps, you should be able to identify and resolve the compatibility issue causing the FDT_EXPRESSIONS662 error.