How To Fix MDG_BS_BP_MLT_AS020 - Object type code &1 is already assigned to assignment category &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_BP_MLT_AS - Messages for multiple assignment function

• Message number: 020

• Message text: Object type code &1 is already assigned to assignment category &2

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 MDG_BS_BP_MLT_AS020 - Object type code &1 is already assigned to assignment category &2 ?

  The SAP error message MDG_BS_BP_MLT_AS020 indicates that there is an issue with the assignment of an object type code to an assignment category in the Master Data Governance (MDG) for Business Partner (BP) module. Specifically, it means that the object type code you are trying to assign is already linked to the specified assignment category, which is causing a conflict.
  Cause:
  
  Duplicate Assignment: The object type code is already assigned to the specified assignment category in the system. This can happen if there was an attempt to assign the same object type to the same category multiple times.
  Configuration Issues: There may be a misconfiguration in the MDG settings where the same object type is incorrectly set up to be assigned to the same category.
  Data Integrity Issues: There might be inconsistencies in the data that lead to this error, such as incorrect entries in the configuration tables.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Go to the relevant configuration settings in the MDG application and check the existing assignments for the object type code and assignment category. Ensure that the object type is not already assigned.
  
  
  
  Modify or Remove Duplicate Assignments:
  
  If you find that the object type code is already assigned to the assignment category, you may need to modify or remove the duplicate assignment. This can usually be done in the MDG configuration settings.
  
  
  
  Review Configuration Settings:
  
  Review the configuration settings for the Business Partner in the MDG system. Ensure that the object types and assignment categories are set up correctly without any overlaps.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for guidance on how to manage object type assignments in MDG. This can provide insights into best practices and configuration steps.
  
  
  
  Check for Transport Issues:
  
  If this issue arose after a transport, check if the transport included any changes to the configuration that might have caused this conflict.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it through the above steps, consider reaching out to SAP support for further assistance. They can provide more detailed insights based on your specific system configuration.
  
  
  
  Related Information:
  
  MDG Configuration: Familiarize yourself with the MDG configuration settings, especially those related to Business Partner data model and assignment categories.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.