How To Fix FDT_EXPRESSIONS056 - Possible data conversion conflict; mapping of &1 to &2

FDT_EXPRESSIONS056 - Overview

• Message type: E = Error

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

• Message number: 056

• Message text: Possible data conversion conflict; mapping of &1 to &2

What causes this issue?

The parameter &v1& may not be convertible to the mapped parameter &v2&.
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.

FDT_EXPRESSIONS056 - Details

• The SAP error message FDT_EXPRESSIONS056 indicates that there is a possible data conversion conflict when mapping data from one field to another. This typically occurs in the context of data transformation or mapping processes, such as when using SAP Data Services or SAP S/4HANA.
  
  Cause:
  The error arises when there is an attempt to convert data from one type to another, and the conversion is not valid. This can happen due to several reasons, including:
  
  Data Type Mismatch: The source and target fields have incompatible data types (e.g., trying to map a string to a numeric field).
  Value Range Issues: The value in the source field may not be within the acceptable range for the target field (e.g., trying to map a large number to a field that only accepts smaller values).
  Format Issues: The format of the data in the source field may not match the expected format of the target field (e.g., date