How To Fix RSMD_UC_MESSAGES025 - Number of used SIDs: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMD_UC_MESSAGES -

• Message number: 025

• Message text: Number of used SIDs: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMD_UC_MESSAGES025 - Number of used SIDs: &1 ?

  The SAP error message RSMD_UC_MESSAGES025, which states "Number of used SIDs: &1," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue related to the number of unique SIDs (Surrogate IDs) being used in a particular InfoObject or data model. This error can arise when the number of SIDs exceeds the allowed limit, which can lead to performance issues or data inconsistencies.
  Cause:
  
  Exceeding SID Limit: Each InfoObject in SAP BW has a limit on the number of unique SIDs it can handle. If the number of unique SIDs exceeds this limit, you will encounter this error.
  Data Volume: High data volume or a large number of unique values in a characteristic can lead to this issue.
  Configuration Issues: Incorrect configuration of the InfoObject or data model can also lead to excessive SID usage.
  
  Solution:
  
  
  Reduce Unique Values: Analyze the data being loaded into the InfoObject and try to reduce the number of unique values. This can be done by:
  
  Aggregating data.
  Filtering out unnecessary data before loading.
  Using a different characteristic that has fewer unique values.
  
  
  
  Check SID Table: Monitor the SID table for the InfoObject in question. You can use transaction codes like RSA1 (Data Warehousing Workbench) to check the SID usage.
  
  
  Archiving: If the InfoObject is holding historical data that is no longer needed for reporting, consider archiving old data to free up SIDs.
  
  
  Reconfigure InfoObject: If possible, consider reconfiguring the InfoObject to use a different data type or structure that can handle more unique values.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  
  Increase SID Limit: In some cases, it may be possible to increase the SID limit by adjusting system parameters, but this should be done with caution and typically requires SAP support.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 for data modeling and monitoring, and RSD1 for InfoObject maintenance.
  SAP BW Documentation: Refer to SAP BW documentation for best practices on managing InfoObjects and SIDs.
  Performance Monitoring: Regularly monitor the performance of your BW system to identify potential issues before they lead to errors.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team, or reach out to SAP support for further assistance.