Bill &1: there is no XML file port FSCMBDXML

What causes this issue?

The XML bill must be transferred to an IDoc interface using the XML file
port <LS>FSCMBDXML</>. However, you have not created this port.

System Response

Bill receipt processing is terminated.

How to fix this error?

In transaction <DS:TRAN.WE21>WE21</>, create a port of type XML file
with the name <LS>FSCMBDXML</>, define a physical directory, and enter a
file name (such as <LB>out.txt</>) in the <LS>Outbound File</> field.
Restart the process.

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.