How To Fix WS404 - The same document number has been assigned more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 404

• Message text: The same document number has been assigned more than once

What causes this issue?

Document number &V1& has been assigned more than once.

System Response

No document number is available and the function is terminated.

How to fix this error?

Contact your system administrator.

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.