How To Fix WL407 - Workflow '&' no. &: Workflow container already exists in database

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 407

• Message text: Workflow '&' no. &: Workflow container already exists in database

What causes this issue?

When the workflow no. &V2& was started, it was found that the related
workflow container already exists in the database.

System Response

The workflow was not started.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX
A problem may have occurred when workflow instance numbers were
assigned resulting in a number being assigned twice by mistake.

Error message extract from SAP system. Copyright SAP SE.