How To Fix RSPLS077 - BW lock server: could not decompress lock string

SAP Error Message - Details

• Message type: E = Error

• Message class: RSPLS - General Messages

• Message number: 077

• Message text: BW lock server: could not decompress lock string

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 RSPLS077 - BW lock server: could not decompress lock string ?

  The SAP error message RSPLS077 indicates that there is an issue with the lock server in SAP BW (Business Warehouse) related to the decompression of a lock string. This error typically arises in scenarios where the system is trying to manage locks for queries or data processing but encounters a problem with the lock string format or data.
  Causes:
  
  Corrupted Lock String: The lock string may be corrupted or improperly formatted, leading to issues during decompression.
  System Resource Issues: Insufficient memory or other system resources can lead to problems when trying to decompress data.
  Version Incompatibility: There may be compatibility issues between different versions of SAP BW or related components.
  Database Issues: Problems with the underlying database, such as corruption or misconfiguration, can also lead to this error.
  Transport Issues: If the system has recently undergone a transport of objects, it may have introduced inconsistencies.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Restart the Lock Server: Sometimes, simply restarting the lock server can resolve temporary issues. This can be done through transaction SM12 or by restarting the BW system.
  Check for Updates: Ensure that your SAP BW system is up to date with the latest patches and support packages. Sometimes, these issues are resolved in newer versions.
  Database Consistency Check: Run consistency checks on the database to ensure there are no underlying issues. This can be done using transaction DB02 or similar tools.
  Clear Locks: Use transaction SM12 to manually clear any locks that may be causing the issue. Be cautious when doing this, as it may affect ongoing processes.
  Contact SAP Support: If the issue persists, it may be necessary to contact SAP support for further assistance, especially if it appears to be a bug or a deeper system issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and DB02 (for database checks).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP BW documentation for best practices regarding lock management and performance tuning.
  
  By following these steps, you should be able to diagnose and potentially resolve the RSPLS077 error in your SAP BW environment.