How To Fix USMD1A220 - Key &2 for &1 is already blocked in change request &4

USMD1A220 - Overview

• Message type: E = Error

• Message class: USMD1A - Messages: Abstraction Layer

• Message number: 220

• Message text: Key &2 for &1 is already blocked in change request &4

What causes this issue?

Key &V2& was already marked for creation in change request &V4&.

System Response

The system resets the key to &V3&.

How to fix this error?

Choose a different key.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

USMD1A220 - Details

• The SAP error message USMD1A220 indicates that a specific key (denoted as &2) for a particular object (denoted as &1) is already blocked in a change request (denoted as &4). This typically occurs in the context of SAP Master Data Governance (MDG) when multiple users or processes attempt to modify the same data object simultaneously.
  
  Cause:
  
  Concurrent Access: Another user or process is currently editing or has locked the object in a change request.
  Change Request Locking: The system uses locking mechanisms to prevent data inconsistencies. If a change request is already in progress for the specified key, the system will block further changes until the current request is completed or released.
  Long-running Transactions: If a transaction takes too long to complete, it may lead to locks being held longer than expected.
  
  
  Solution:
  
  
  Check Active Change Requests: Identify if there are any active change requests that are currently blocking the key. You can do this by