Billing document not created; see long text

What causes this issue?

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

System Response

Billing document is not created.

How to fix this error?

For aggregated sales by product, check the settings for <LS>Billing</>
in Customizing for <ZH>Control</> <ZH>Aggregated Sales </>under
<ZK>Sales and Distribution</> > <ZK>POS Interface</> > <ZK>Inbound (SOAP
Service)</>.
For return and sales per receipt, check settings for <LS>Billing</> in
Customizing for <ZH>Control Sales As Per Receipt</> under <ZK>Sales and
Distribution</> > <ZK>POS Interface</> > <ZK>Inbound (SOAP Service)</>.
To enable creation of billing document, please select value as 'X' in
<LS>Billing</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.