How To Fix FDT_EXPRESSIONS429 - Type mismatch in &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 429

• Message text: Type mismatch in &1

What causes this issue?

For the &v1& element of the current workflow action, you have assigned a
BRFplus data object or an expression that is not compatible with the
type of the corresponding container element of the assigned workflow.

System Response

The workflow action cannot be activated.

How to fix this error?

Make sure that the type of the assigned data object (or the type of
assigned expression's result data object) is compatible with the
corresponding workflow container element.
INCLUDE FDT_WORKFLOW_TYPES OBJECT DOKU ID TX

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS429 - Type mismatch in &1 ?

  The SAP error message FDT_EXPRESSIONS429: Type mismatch in &1 typically occurs in the context of SAP's Flexible Data Import (FDI) or when working with expressions in the context of data processing. This error indicates that there is a type mismatch between the expected data type and the actual data type being processed.
  
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the data being processed does not match the expected data type. For example, if a numeric field is expected but a string is provided, this error will occur.
  Incorrect Field Mapping: If fields are incorrectly mapped in the data transformation or import process, it can lead to type mismatches.
  Expression Logic: If you are using expressions or calculations that involve different data types (e.g., trying to perform arithmetic on a string), this can also trigger the error.
  
  
  Solution:
  
  Check Data Types: Review the data being imported or processed to ensure that