All documents (&1) with same document number are selected

What causes this issue?

You selected the following document using the input help: &V1&. In the
output list there are a number of documents with the same document
number.
Variable &V1& contains the Freight Order, Bill of Lading etc.

System Response

All documents with the same document number are transferred.

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?

Procedure for System Administrators

By default, this message is set as an information message. You can set
the attributes of the system message in Customizing for <LS>Logistics
Invoice Verification</> under <DS:SIMG.SIMG_CFMENUOLMROMRM>Define
Attributes of System Messages</>.

Error message extract from SAP system. Copyright SAP SE.