How To Fix MDM_IDOC007 - Bank ID &1 cannot be modified because it is a key field

MDM_IDOC007 - Overview

• Message type: E = Error

• Message class: MDM_IDOC - Master Data Replication: Customer, Vendor

• Message number: 007

• Message text: Bank ID &1 cannot be modified because it is a key field

What causes this issue?

The Bank ID field cannot be updated as it is a key field in SAP S/4HANA.
For more information, refer to SAP Note 2479954

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MDM_IDOC007 - Details

• The SAP error message MDM_IDOC007 indicates that there is an attempt to modify a Bank ID that is defined as a key field in the Master Data Management (MDM) system. Key fields are essential identifiers in a database, and modifying them can lead to inconsistencies or integrity issues within the data.
  
  Cause:
  The error occurs when:
  
  An IDoc (Intermediate Document) is trying to update a Bank ID that is designated as a key field in the MDM system.
  The system prevents changes to key fields to maintain data integrity and consistency.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review the IDoc Data: Check the IDoc data being sent to ensure that you are not attempting to modify the Bank ID. If the IDoc is meant to create or update records, ensure that the Bank ID is not included in the update section.
  
  
  Use the Correct IDoc Type: If you need to create a new Bank ID,