How To Fix DRD126 - &1 is not an external customer, but a plant with a customer master

DRD126 - Overview

• Message type: E = Error

• Message class: DRD - Messages for Delivery Relationships

• Message number: 126

• Message text: &1 is not an external customer, but a plant with a 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 DRD126 - &1 is not an external customer, but a plant with a customer master ?

  The SAP error message DRD126 indicates that the system is trying to process a plant that is not recognized as an external customer but rather as a plant with a customer master. This typically occurs in scenarios where there is a mismatch in the configuration or data setup related to customer and plant definitions.
  
  Cause:
  
  Incorrect Master Data Configuration: The plant in question may be set up incorrectly in the system. It might be defined as a customer in the customer master data but is not recognized as an external customer.
  Data Inconsistency: There may be inconsistencies in the data between the customer master and the plant data.
  Transaction Context: The transaction being executed may require a valid external customer, but the system is referencing a plant instead.
  
  
  Solution:
  
  
  Check Customer Master Data:
  
  Go to the customer master data (transaction code XD03 for general data or VD03 for sales area data) and verify that the customer is