How To Fix RSSM_TT031 - Compression not finished in &3(&4); repair the last compression run

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSM_TT - Transfer Tool

• Message number: 031

• Message text: Compression not finished in &3(&4); repair the last compression run

What causes this issue?

The compression is not finished in the object &V3&(&V4&).

System Response

The system has started to compress all requests up to request &V2&, but
the highest compressed request is request &V1&.

How to fix this error?

Repair the last compression run.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSSM_TT031 - Compression not finished in &3(&4); repair the last compression run ?

  The SAP error message RSSM_TT031, which indicates that "Compression not finished in &3(&4); repair the last compression run," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data compression process for InfoProviders, such as InfoCubes or DataStore Objects (DSOs). This error suggests that a previous compression operation did not complete successfully, which can lead to inconsistencies in the data.
  Cause:
  
  Interruption During Compression: The compression process may have been interrupted due to system issues, such as a system crash, network failure, or manual termination of the process.
  Locking Issues: If another process is locking the InfoProvider while the compression is being executed, it can lead to this error.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the compression from completing successfully.
  Resource Limitations: Insufficient system resources (memory, CPU) can also lead to failures during the compression process.
  
  Solution:
  To resolve the RSSM_TT031 error, you can follow these steps:
  
  
  Repair the Last Compression Run:
  
  Go to transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the InfoProvider that encountered the error.
  Right-click on the InfoProvider and select Manage.
  Look for the option to Repair the last compression run. This will attempt to complete the compression process.
  
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for any locks on the InfoProvider. If there are locks, you may need to release them.
  
  
  
  Review Logs:
  
  Check the logs for the compression process to identify any specific errors or warnings that occurred during the last run. You can find logs in transaction RSMO (for process chains) or RSCONN01 (for data loading).
  
  
  
  Re-run Compression:
  
  After repairing, you may need to manually re-run the compression process. This can be done through the InfoProvider management options in RSA1.
  
  
  
  Check System Resources:
  
  Ensure that the system has adequate resources (memory, CPU) to perform the compression. If necessary, consider optimizing the system or scheduling the compression during off-peak hours.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSMO: Monitor Process Chains
  SM12: Display and Manage Locks
  RSCONN01: Connection Management
  
  
  
  SAP Notes: Always check for the latest SAP Notes related to compression issues in BW, as they may provide specific fixes or patches.
  
  
  Documentation: Review SAP BW documentation for best practices on managing InfoProviders and performing data compression.
  
  
  By following these steps, you should be able to resolve the RSSM_TT031 error and successfully complete the compression process in your SAP BW environment.