How To Fix SWF_BND_001012 - Value of expression '&1' cannot be used as the target of an assignment

SWF_BND_001012 - Overview

• Message type: E = Error

• Message class: SWF_BND_001 - Messages for workflow binding class

• Message number: 012

• Message text: Value of expression '&1' cannot be used as the target of an assignment

What causes this issue?

Expression &V1& refers to a data object that cannot be changed, for
example, a constant, a system field,
an object attribute, or a method that cannot
be changed. A binding cannot use this data object as a target.

System Response

The operation was canceled.

How to fix this error?

Change the binding operation in the workflow definition environment
(choose another target for the assignment in the binding editor), or
set the workflow parameters so that the binding operation can actually
include the required value.

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 SWF_BND_001012 - Value of expression '&1' cannot be used as the target of an assignment ?

  The SAP error message SWF_BND_001012 indicates that there is an issue with an expression in a workflow binding. Specifically, it means that the value of the expression &1 cannot be used as the target of an assignment. This typically occurs in the context of workflow definitions where you are trying to assign a value to a variable or an expression that is not valid for assignment.
  
  Cause:
  
  
  Invalid Target: The expression you are trying to assign a value to is not a valid target. This could be due to:
  
  The target variable is read-only.
  The target variable is not defined correctly.
  The target variable is of a type that does not support assignment.
  
  
  
  Incorrect Binding: The binding might be incorrectly set up, leading to an attempt to assign a value to an expression that cannot accept it.
  
  
  Data Type Mismatch: There may be a mismatch between the data type of the value being assigned and the data