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.

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 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