How To Fix MDC_BP_MODEL063 - Customer assignment of BP &1, &2 must not have assignment ID 000000000001

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_BP_MODEL - Business Partner Data Model

• Message number: 063

• Message text: Customer assignment of BP &1, &2 must not have assignment ID 000000000001

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_BP_MODEL063 - Customer assignment of BP &1, &2 must not have assignment ID 000000000001 ?

  The SAP error message MDC_BP_MODEL063 indicates that there is an issue with the assignment of a Business Partner (BP) in the system. Specifically, the error states that the customer assignment of the Business Partner with the specified IDs must not have the assignment ID 000000000001. This typically occurs in the context of Business Partner management, particularly when dealing with customer or vendor assignments.
  
  Cause:
  
  Invalid Assignment ID: The assignment ID 000000000001 is often a default or placeholder value that should not be used for actual customer assignments. This can happen if the system is trying to create or update a customer assignment but is using an invalid or default assignment ID.
  Data Inconsistency: There may be inconsistencies in the data related to the Business Partner or the customer assignment, such as missing or incorrect configuration.
  
  Configuration Issues: The Business Partner configuration may not be set up correctly, leading to issues when trying to assign