How To Fix SWF_EXP_001211 - '&2' cannot be used as a return value for method &1n

SWF_EXP_001211 - Overview

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 211

• Message text: '&2' cannot be used as a return value for method &1n

What causes this issue?

An attempt was made to specify the import parameter &V1& as the return
value of a functional expression when calling method &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?

Only use export parameters, changing parameters, or returning parameters
as the return value of a functional method call.

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 SWF_EXP_001211 - '&2' cannot be used as a return value for method &1n ?

  The SAP error message SWF_EXP_001211 indicates that there is an issue with the return value of a method in a workflow. Specifically, it suggests that the value being returned is not compatible with the expected return type defined for that method. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Type Mismatch: The return value being used does not match the expected data type defined in the method signature. For example, if the method is expected to return a string but is returning an integer, this error will occur.
  Incorrect Mapping: If the workflow is trying to map a return value from one method to another and the types do not align, this error can arise.
  Changes in Method Definition: If the method's return type has been changed in the underlying code or in the workflow definition, it may lead to this error if the workflow has not been updated accordingly.
  
  
  Solution:
  
  Check