How To Fix SGT_01327 - You have entered an invalid customer number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SGT_01 - SGT_01

• Message number: 327

• Message text: You have entered an invalid customer number &1

What causes this issue?

You have entered a customer number that is not listed in the available
help (F4).

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?

Choose a customer number that is listed in the available help (F4).

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 SGT_01327 - You have entered an invalid customer number &1 ?

  The SAP error message SGT_01327, which states "You have entered an invalid customer number &1," typically occurs when a user attempts to process a transaction or access data related to a customer number that does not exist or is not valid in the system. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Customer Number: The customer number entered may be mistyped or incorrect.
  Customer Not Created: The customer number may not have been created in the system yet.
  Customer Deactivation: The customer may have been deactivated or marked as inactive in the system.
  Authorization Issues: The user may not have the necessary authorizations to view or access the customer data.
  Data Synchronization Issues: If the system is integrated with other systems, there may be synchronization issues leading to the customer number not being recognized.
  
  Solutions:
  
  Verify Customer Number: Double-check the customer number for any typographical errors. Ensure that it is entered correctly.
  Check Customer Master Data: Use transaction codes like XD03 (Display Customer) or FD03 (Display Customer - Financial) to verify if the customer exists in the system.
  Create Customer: If the customer does not exist, you may need to create a new customer using transaction codes like XD01 (Create Customer) or FD01 (Create Customer - Financial).
  Check Status: If the customer exists but is inactive, you may need to reactivate the customer or check with your system administrator for the appropriate actions.
  Authorization Check: Ensure that you have the necessary permissions to access customer data. If not, contact your SAP security administrator.
  Consult with IT Support: If the issue persists, it may be necessary to consult with your IT support team to investigate any potential data synchronization issues or system errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for customer management, such as XD01, XD02, XD03, FD01, FD02, and FD03.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation or help files for additional context on customer management and error handling.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.