How To Fix GJ403 - Customer not defined in customer master

SAP Error Message - Details

• Message type: E = Error

• Message class: GJ - Joint Venture Accounting

• Message number: 403

• Message text: Customer not defined in customer master

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GJ403 - Customer not defined in customer master ?

  The SAP error message GJ403 ("Customer not defined in customer master") typically occurs when a transaction is attempted involving a customer that has not been properly set up in the customer master data. This can happen in various modules, such as Sales and Distribution (SD) or Financial Accounting (FI).
  Cause:
  
  Missing Customer Master Record: The customer you are trying to use does not exist in the customer master data.
  Incorrect Customer Number: The customer number entered may be incorrect or mistyped.
  Data Not Extended: The customer master record may exist, but it has not been extended to the relevant organizational levels (e.g., company code, sales area).
  Inactive Customer: The customer may be marked as inactive or blocked in the system.
  Wrong Company Code: The customer might not be defined for the specific company code you are working with.
  
  Solution:
  
  
  Check Customer Master Data:
  
  Go to transaction code XD03 (Display Customer) or FD03 (Display Customer - Financial Accounting) and enter the customer number to verify if the customer exists.
  
  
  
  Create or Extend Customer Master:
  
  If the customer does not exist, create a new customer using transaction code XD01 (Create Customer) or FD01 (Create Customer - Financial Accounting).
  If the customer exists but is not extended to the required organizational levels, use transaction code XD01 or FD01 to extend the customer to the necessary company code or sales area.
  
  
  
  Check Customer Status:
  
  Ensure that the customer is not marked as inactive or blocked. You can check this in the customer master data.
  
  
  
  Verify Company Code:
  
  Ensure that you are using the correct company code in your transaction. The customer must be defined for the specific company code you are working with.
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unable to resolve the issue, consult with your SAP administrator or support team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  XD01: Create Customer (General Data)
  XD02: Change Customer (General Data)
  XD03: Display Customer (General Data)
  FD01: Create Customer (Financial Accounting)
  FD02: Change Customer (Financial Accounting)
  FD03: Display Customer (Financial Accounting)
  
  
  
  Customer Master Data: It is essential to maintain accurate and complete customer master data for effective business operations. This includes general data, company code data, and sales area data.
  
  
  Documentation: Refer to SAP documentation or help files for more detailed instructions on managing customer master data.
  
  
  By following these steps, you should be able to resolve the GJ403 error and ensure that the customer master data is correctly set up in your SAP system.