How To Fix RSDMD174 - User &2 locked the load of master datas for characteristic &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 174

• Message text: User &2 locked the load of master datas for characteristic &1

What causes this issue?

User &V2& is preventing you from loading master data for characteristic
&V1&. The lock was set by the master data loading process with the
request number (DataPackage number) &V3& on &V4&.

System Response

For reasons of consistency, the system cannot allow the update to
continue, and it has terminated the process.

How to fix this error?

Wait until the process that is causing the lock is complete. You can
call transaction SM12 to display a list of the locks.
If a process terminates, the locks that have been set by this process
are reset automatically.

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 RSDMD174 - User &2 locked the load of master datas for characteristic &1 ?

  The SAP error message RSDMD174 indicates that a user has locked the loading of master data for a specific characteristic. This typically occurs in the context of SAP BW (Business Warehouse) when multiple users are trying to load or modify master data simultaneously.
  Cause:
  The error is caused by a user (identified by the user ID &2) who has locked the master data loading process for the characteristic specified by &1. This locking mechanism is in place to prevent data inconsistencies that could arise from concurrent modifications.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Identify the Locking User: Check who is currently locking the master data. You can do this by using transaction code SM12 to view the lock entries. Look for the user ID mentioned in the error message.
  
  
  Contact the User: If possible, contact the user who is locking the data to understand if they can release the lock. They may be in the process of loading data or performing maintenance.
  
  
  Release the Lock: If the user is not available or if the lock is no longer needed, you can manually release the lock. In transaction SM12, you can select the lock entry and delete it. Be cautious when doing this, as it may lead to data inconsistencies if the user is still performing operations.
  
  
  Check for Long-Running Processes: Sometimes, long-running processes can hold locks for an extended period. Use transaction SM37 to check for any long-running jobs that might be causing the lock.
  
  
  Retry the Load: After the lock has been released, you can retry the master data load process.
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks is crucial. Locks are used to ensure data integrity during concurrent access.
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To monitor background jobs and check for long-running processes.
  
  
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to perform master data loads without causing unnecessary locks.
  
  If the problem persists or if you encounter frequent locking issues, it may be worth reviewing the overall data loading strategy and user access patterns to optimize the process.