How To Fix W0119 - Enter a one-time customer number

W0119 - Overview

• Message type: E = Error

• Message class: W0 - Customizing - ISR

• Message number: 119

• Message text: Enter a one-time customer number

What causes this issue?

You selected <DS:GLOS.3526BFC5AFAB52B9E10000009B38F974>one-time
customer processing</> but did not enter any one-time customers.

System Response

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?

Maintain a one-time customer number or deselect the indicator enabling
one-time customers.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W0119 - Enter a one-time customer number ?

  SAP Error Message:
  W0119 - Enter a one-time customer number
  
  
  Cause:
  This warning message appears when you are trying to post a transaction (such as a sales order, billing document, or accounting document) that requires a one-time customer number, but the system detects that this number has not been entered.
  In SAP, a one-time customer (also called a "one-off customer") is used for customers who are not maintained in the master data because they are infrequent or occasional customers. Instead of selecting a regular customer master record, you enter a one-time customer number to identify the customer temporarily.
  The message W0119 is triggered when the system expects a one-time customer number but it is missing or not entered.
  
  When does it occur?
  
  When creating sales documents (e.g., sales orders, deliveries, billing documents) for one-time customers.
  When posting accounting documents where a one-time customer is involved.
  When the customer master data is not maintained, and the system expects a one-time