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

SAP Error Message - Details

• 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.