How To Fix RSM251 - InfoCube is not compressed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 251

• Message text: InfoCube is not compressed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM251 - InfoCube is not compressed ?

  The SAP error message RSM251 indicates that an InfoCube is not compressed. This typically occurs in the context of SAP BW (Business Warehouse) when data is loaded into an InfoCube but has not yet been compressed. Compression is an important process in SAP BW that helps to optimize storage and improve query performance.
  Cause:
  
  Data Loading: The InfoCube may have recently received new data, and the compression process has not yet been executed.
  Manual Intervention: Compression might have been manually skipped or not scheduled.
  System Settings: There may be system settings or configurations that prevent automatic compression.
  Errors During Compression: Previous attempts to compress the InfoCube may have failed due to errors or issues with the data.
  
  Solution:
  To resolve the RSM251 error, you can follow these steps:
  
  
  Compress the InfoCube:
  
  Go to transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the InfoProvider (InfoCube) that is showing the error.
  Right-click on the InfoCube and select "Manage" or "Compress".
  Follow the prompts to execute the compression process.
  
  
  
  Schedule Compression:
  
  If you want to automate the compression process, you can schedule it in the background.
  Use transaction code RSCONN01 to set up a background job for regular compression.
  
  
  
  Check for Errors:
  
  If compression fails, check the logs for any errors that may have occurred during the process.
  Use transaction code RSMO to monitor the process chains and check for any issues.
  
  
  
  Review Settings:
  
  Ensure that the settings for automatic compression are correctly configured in the InfoCube properties.
  Check the settings in the BW system to ensure that they allow for automatic compression after data loads.
  
  
  
  Data Consistency:
  
  Ensure that the data in the InfoCube is consistent and does not contain any errors that could prevent compression.
  
  
  
  Related Information:
  
  Compression Benefits: Compressing an InfoCube reduces the amount of storage space required and improves query performance by reducing the amount of data that needs to be scanned.
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSMO: Monitor Process Chains
  RSCONN01: Schedule Background Jobs
  
  
  Documentation: Refer to SAP Help documentation for more detailed information on InfoCube management and compression processes.
  
  By following these steps, you should be able to resolve the RSM251 error and ensure that your InfoCube is properly compressed.