How To Fix UGMD8001 - Data model synchronization is blocked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD8 - Change Management

• Message number: 001

• Message text: Data model synchronization is blocked by user &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UGMD8001 - Data model synchronization is blocked by user &1 ?

  The SAP error message UGMD8001, which states "Data model synchronization is blocked by user &1," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with data model synchronization. This error indicates that a specific user is currently blocking the synchronization process, preventing it from completing successfully.
  
  Cause:
  
  User Lock: The user mentioned in the error message has an active session or lock on the data model that is preventing other processes from accessing it.
  Long-Running Transactions: A transaction initiated by the user may be taking a long time to complete, causing a blockage.
  Manual Locks: The user may have manually locked the data model for maintenance or other purposes.
  System Configuration: There may be configuration settings that are causing locks to persist longer than expected.
  
  
  Solution:
  
  Identify the User: Determine who the user is (indicated by &1 in the error message) and check their current sessions or transactions.
  Terminate