How To Fix DOC_CHANGE_EXT001 - Customer & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: DOC_CHANGE_EXT - Extended Document Change

• Message number: 001

• Message text: Customer & does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DOC_CHANGE_EXT001 - Customer & does not exist ?

  The SAP error message "DOC_CHANGE_EXT001 Customer & does not exist" typically occurs when you are trying to process a document (such as an invoice, sales order, or delivery) that references a customer that is not recognized in the system. This can happen for several reasons, including:
  Causes:
  
  Customer Not Created: The customer may not have been created in the system.
  Incorrect Customer Number: The customer number entered may be incorrect or mistyped.
  Customer Deactivation: The customer may have been deactivated or marked as inactive in the system.
  Data Synchronization Issues: If you are using multiple systems (e.g., SAP and a third-party system), there may be synchronization issues leading to the customer not being recognized.
  Company Code Issues: The customer may not be assigned to the company code you are working with.
  
  Solutions:
  
  
  Verify Customer Existence:
  
  Go to the customer master data transaction (e.g., XD03 for display) and check if the customer exists in the system.
  Ensure that you are using