How To Fix FDT_EXPRESSIONS615 - Type of field &1 on DB might not be compatible with return field &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 615

• Message text: Type of field &1 on DB might not be compatible with return field &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS615 - Type of field &1 on DB might not be compatible with return field &2 ?

  The SAP error message FDT_EXPRESSIONS615 indicates that there is a type mismatch between a field in the database and the return field in an expression or function module. This typically occurs in the context of SAP's Flexible Data Import (FDI) or when working with expressions in the context of data processing.
  Cause:
  The error arises when:
  
  The data type of the field in the database (DB) does not match the expected data type of the return field in the expression.
  For example, if the database field is defined as a numeric type and the return field is defined as a character type, or if there is a mismatch in length or precision.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: 
  
  Verify the data types of both the database field and the return field in the expression. Ensure that they are compatible.
  You can do this by checking the data dictionary (SE11) for the relevant database table and the structure of the expression.
  
  
  
  Modify the Expression:
  
  If the data types are indeed incompatible, you may need to modify the expression to ensure that the return field matches the type of the database field.
  You can use type conversion functions (like CONVERT_TO_STRING, CONVERT_TO_NUMERIC, etc.) to explicitly convert the data types as needed.
  
  
  
  Adjust Field Definitions:
  
  If you have control over the database schema, consider adjusting the field definitions to ensure compatibility. This might involve changing the data type or length of the fields.
  
  
  
  Test Changes:
  
  After making the necessary adjustments, test the changes to ensure that the error is resolved and that the data is processed correctly.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate and modify the relevant objects.
  Documentation: Refer to SAP documentation for Flexible Data Import and expressions to understand the expected data types and how to handle them.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.