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

SAP Error Message - Details

• 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.