How To Fix QS402 - Customer master does not exist

QS402 - Overview

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 402

• Message text: Customer master does not exist

What causes this issue?

The customer master you entered does not exist.

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?

Correct your entries or make sure the customer master is created.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QS402 - Customer master does not exist ?

  The SAP error message QS402 ("Customer master does not exist") typically occurs when you are trying to access or process data related to a customer that has not been created or is not available in the system. This error can arise in various transactions, especially in the context of sales and distribution (SD) or when dealing with customer-related data.
  Causes of QS402 Error
  
  Customer Not Created: The most common reason is that the customer master record has not been created in the system.
  Incorrect Customer Number: The customer number you are trying to access may be incorrect or mistyped.
  Data Deletion: The customer master record may have been deleted or marked for deletion.
  Company Code Issues: The customer may not be assigned to the specific company code you are working with.
  Client-Specific Data: The customer master data may exist in a different client, and you are trying to access it in the wrong client.
  Authorization Issues: You