How To Fix WL487 - Confirmation from WI no.& ignored since workflow & no.& already completed

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 487

• Message text: Confirmation from WI no.& ignored since workflow & no.& already completed

What causes this issue?

Work item no. &V1& reported back to the workflow '&V2&' no. &V3&.
However, it has already been completed.

System Response

The response message of work item no. &V3& was ignored.
WHAT_TO_DO&

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.