How To Fix RSDD141 - &1 minutes waiting time was required for locks

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 141

• Message text: &1 minutes waiting time was required for locks

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD141 - &1 minutes waiting time was required for locks ?

  The SAP error message RSDD141 indicates that a process is waiting for a lock to be released, and it specifies the duration of the wait time in minutes. This typically occurs in the context of data extraction or reporting in SAP BW (Business Warehouse) when multiple processes are trying to access the same data or resources simultaneously.
  Cause:
  
  Lock Contention: The most common cause of this error is lock contention, where multiple processes are trying to access the same data or object at the same time. This can happen during data loading, reporting, or when multiple users are trying to access the same InfoProvider or query.
  Long-Running Processes: If a data load or query execution takes a long time, it can hold locks for an extended period, causing other processes to wait.
  Configuration Issues: Sometimes, configuration settings related to locking mechanisms or transaction handling can lead to excessive waiting times.
  
  Solution:
  
  Identify the Locking Process: Use transaction code SM12 to check for locks in the system. You can identify which user or process is holding the lock and take appropriate action.
  Optimize Data Loads: If the error occurs during data loading, consider optimizing the data load process. This can include:
  
  Scheduling data loads during off-peak hours.
  Breaking large data loads into smaller batches.
  Ensuring that data loads are not running concurrently if they access the same data.
  
  
  Review Queries: If the error occurs during query execution, review the queries for performance issues. Optimize the queries to reduce execution time and lock duration.
  Increase Lock Timeout: If appropriate, you can increase the lock timeout settings in the system. However, this should be done with caution, as it may lead to longer wait times for other processes.
  Monitor System Performance: Regularly monitor system performance and lock situations to identify patterns and take proactive measures to prevent lock contention.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that might indicate underlying issues.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms in your specific version of SAP BW.
  Performance Tuning: Consider engaging with SAP Basis or BW consultants for performance tuning and best practices related to data loading and reporting.
  
  By addressing the underlying causes of the lock contention and optimizing the processes involved, you can reduce the occurrence of the RSDD141 error and improve overall system performance.