How To Fix CRM_BUPA_CONSUMER401 - The partner number of the reference partner cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_BUPA_CONSUMER - Messages for Consumer BAPIs

• Message number: 401

• Message text: The partner number of the reference partner cannot be changed

What causes this issue?

The business partner number of the reference partner cannot be changed
because existing consumers may refer to this number.

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?

To change the reference data for consumers, maintain the data of the
reference business partner. The changes you make are then visible for
all consumers that refer to this reference business partner.

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 CRM_BUPA_CONSUMER401 - The partner number of the reference partner cannot be changed ?

  The SAP error message CRM_BUPA_CONSUMER401 indicates that there is an attempt to change the partner number of a reference partner in the SAP Customer Relationship Management (CRM) system, which is not allowed. This error typically arises in scenarios where you are trying to modify a business partner (BP) that is linked to other entities or has certain dependencies.
  
  Cause:
  
  Reference Partner Restrictions: The partner number of a reference partner is often locked to maintain data integrity. This is particularly true if the partner is involved in transactions or linked to other business objects.
  Data Consistency: Changing the partner number could lead to inconsistencies in the data model, especially if the partner is referenced in multiple places.
  Configuration Settings: Certain configuration settings in the CRM system may prevent changes to partner numbers for specific business partner types.
  
  
  Solution:
  
  Check Dependencies: Before attempting to change the partner number, check if the partner is linked to any transactions, documents,