How To Fix MDG_ID_MATCH_UI_BS009 - Object &1 contains at least two lines with Object ID Type &2 (&3)

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_ID_MATCH_UI_BS - Message Class for ID MATCHING UI

• Message number: 009

• Message text: Object &1 contains at least two lines with Object ID Type &2 (&3)

What causes this issue?

You have entered for Object &V1& at least two lines with the same Object
ID Type (&V2&). This is not possible. Each Object Identifier can only
belong once to each Key Mapping Object.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Key Mapping Data can not be stored.

How to fix this error?

Delete the superfluous Object Identifiers for 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 MDG_ID_MATCH_UI_BS009 - Object &1 contains at least two lines with Object ID Type &2 (&3) ?

  The SAP error message MDG_ID_MATCH_UI_BS009 indicates that there is a data integrity issue in the Master Data Governance (MDG) system. Specifically, it means that the object you are trying to process contains at least two lines with the same Object ID Type, which is not allowed in the context of the operation you are performing.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate Entries: There are duplicate entries in the data being processed, where multiple lines have the same Object ID Type.
  Data Model Configuration: The data model or the configuration of the MDG might not be set up to handle multiple entries of the same Object ID Type.
  Data Import Issues: If you are importing data from an external source, the source data might contain duplicates that violate the uniqueness constraints.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Review the data you are trying to process and identify the lines that have the same Object ID Type.
  You can use transaction codes like SE16 or SE11 to check the relevant tables for duplicates.
  
  
  
  Remove or Consolidate Duplicates:
  
  If duplicates are found, you will need to either remove them or consolidate the data into a single entry, depending on the business requirements.
  Ensure that each Object ID Type is unique within the context of the operation.
  
  
  
  Check Data Model Configuration:
  
  Review the configuration of your MDG data model to ensure that it is set up correctly to handle the types of data you are working with.
  Make adjustments if necessary to allow for the correct handling of Object ID Types.
  
  
  
  Data Validation:
  
  Implement data validation checks before processing to catch duplicates early in the workflow.
  This can be done through custom validation rules or enhancements in the MDG process.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to MDG for any specific guidelines or updates regarding this error message.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error does not occur.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDG_MAT, MDG_CUST, or others depending on the type of master data you are working with.
  SAP Notes: Check for any SAP Notes that might address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the MDG_ID_MATCH_UI_BS009 error and ensure that your data processing in SAP MDG runs smoothly.