How To Fix FDT_EXPRESSIONS054 - Possible data conversion conflict; &1 to &2 (position &3)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 054

• Message text: Possible data conversion conflict; &1 to &2 (position &3)

What causes this issue?

The return parameter of line &v2& (&v1&) may not be convertible to the
case expression's result data object (&v3&). This depends on the value
that is assigned at run-time.
<DS:TX.FDT_CONVERTIBILITY>FDT Data Object Convertibility</>

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you are sure that the values used at run-time will always be
convertible, you do not have to react at all. If not you might want to
change the type of one of the data objects or use a different data
object in order to ensure convertibility during run-time.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS054 - Possible data conversion conflict; &1 to &2 (position &3) ?

  The SAP error message FDT_EXPRESSIONS054 indicates that there is a possible data conversion conflict when trying to convert data from one type to another. The message typically includes placeholders for the source data type (&1), the target data type (&2), and the position in the data where the conflict occurred (&3).
  Cause:
  This error usually arises in scenarios where:
  
  Data Type Mismatch: The source data type does not match the expected target data type. For example, trying to convert a string to a date or a numeric value to a string without proper formatting.
  Invalid Data Format: The data being converted is not in a valid format that can be interpreted as the target type. For instance, a string that contains non-numeric characters cannot be converted to a number.
  Null or Empty Values: Attempting to convert null or empty values can also lead to this error, especially if the target type does not accept such values.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Data Types: Verify the data types of the source and target fields. Ensure that they are compatible and that the source data can be converted to the target type.
  
  
  Validate Data Format: Ensure that the data being converted is in the correct format. For example, if converting to a date, ensure that the string is in a recognizable date format.
  
  
  Handle Null Values: Implement checks to handle null or empty values before attempting the conversion. You can use conditional logic to provide default values or skip conversion for such cases.
  
  
  Debugging: If you have access to the underlying code or configuration, use debugging tools to trace the data flow and identify where the conversion is failing.
  
  
  Consult Documentation: Review SAP documentation or community forums for specific details related to the data types involved and any known issues or limitations.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Data Conversion Functions: Familiarize yourself with the data conversion functions available in SAP, such as CONVERT_TO_STRING, CONVERT_TO_DATE, etc., and their expected input formats.
  Testing: Create test cases with various data inputs to see how the system behaves and to identify specific scenarios that trigger the error.
  
  By following these steps, you should be able to identify the root cause of the FDT_EXPRESSIONS054 error and implement a suitable solution.