SAP Message RMSRCPDIA128 - Stream of stage &2 is not used in any subsequent stage

Diagnosis
The stage formula of stage &V2& of recipe &V1& contains a stream as anoutput item that is not used in any of the stages that follow.

System Response
Consistency check ended with errors.

Procedure
Use the stream in a subsequent stage formula. Perform the consistencycheck for the recipe again.