How To Fix MDC_BP_MODEL026 - Can not process object &1 because Assignment ID &2 is assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_BP_MODEL - Business Partner Data Model

• Message number: 026

• Message text: Can not process object &1 because Assignment ID &2 is assigned

What causes this issue?

An assignment ID for the object &V1& is provided in table &V3&.
Objects with assignment IDs have got multiple assignments.

System Response

As the report cannot process objects with multiple assignments, the
system aborts the report.

How to fix this error?

Restart the report without the object &V1&.

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 MDC_BP_MODEL026 - Can not process object &1 because Assignment ID &2 is assigned ?

  The SAP error message MDC_BP_MODEL026 indicates that there is an issue with processing a business partner (BP) object due to an assignment ID that is already in use or assigned to another object. This typically occurs in the context of Master Data Governance (MDG) or when managing business partner data in SAP.
  Cause:
  The error is triggered when you attempt to process a business partner object (like creating, changing, or deleting) that is linked to an assignment ID that is already assigned to another object. This can happen due to:
  
  Data Locking: The object you are trying to modify is currently locked by another user or process.
  Incorrect Assignment: The assignment ID may have been incorrectly assigned or is still in use by another business partner or object.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the system from processing the object.
  
  Solution:
  To resolve the MDC_BP_MODEL026 error, you can take the following steps:
  
  
  Check for Locks: Verify if the object is locked by another user or process. You can use transaction codes like SM12 to check for locks and release them if necessary.
  
  
  Review Assignments: Check the assignment ID mentioned in the error message. Ensure that it is not assigned to another object or business partner. You can use transaction codes like BP (Business Partner) to review the assignments.
  
  
  Data Consistency Check: Run consistency checks on your business partner data to identify any inconsistencies. You can use transaction codes like BP or MDG to perform these checks.
  
  
  Reassign or Delete: If the assignment ID is indeed assigned to another object, you may need to reassign it or delete the conflicting assignment before proceeding with your changes.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to business partner management and the specific error message for additional guidance.
  
  
  Contact Support: If the issue persists after trying the above steps, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP, MDG, SM12, and others that are used for managing business partners and checking locks.
  SAP Notes: Search for SAP Notes related to MDC_BP_MODEL026 for any specific patches or updates that may address this issue.
  Business Partner Configuration: Ensure that your business partner configuration is set up correctly, as misconfigurations can lead to assignment issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.