How To Fix FDT_EXPRESSIONS669 - Mapped source &1 is not convertible to target &2

FDT_EXPRESSIONS669 - Overview

• Message type: E = Error

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

• Message number: 669

• Message text: Mapped source &1 is not convertible to target &2

What causes this issue?

The source data object &v1& is not convertible to the mapped target data
object &v2&.

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?

Specify convertible parameters.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FDT_EXPRESSIONS669 - Details

• The SAP error message FDT_EXPRESSIONS669 indicates that there is a type mismatch between the source and target fields in a data transformation or mapping process. Specifically, it means that the mapped source field (denoted as &1) cannot be converted to the target field type (denoted as &2). This error typically occurs in scenarios involving data transformation, such as in SAP Data Services, SAP S/4HANA, or other SAP applications that involve data mapping.
  Causes:
  
  Data Type Mismatch: The source field may have a data type that is incompatible with the target field. For example, trying to map a string to a numeric field or a date to a string without proper conversion.
  Length Issues: The length of the source data may exceed the maximum length allowed for the target field.
  Null Values: If the source field contains null values and the target field does not allow nulls, this can lead to conversion issues.
  Invalid Data Format: