How To Fix RSUOM162 - Secondary index on SID columns deleted (table &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSUOM - BW: Conversion of Units of Measure

• Message number: 162

• Message text: Secondary index on SID columns deleted (table &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSUOM162 - Secondary index on SID columns deleted (table &1) ?

  The SAP error message RSUOM162 indicates that a secondary index on SID (Surrogate ID) columns for a specific table has been deleted. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA environments where data modeling and performance optimization are critical.
  Cause:
  
  Data Model Changes: The error can occur if there have been changes to the data model, such as the deletion or modification of InfoObjects or InfoProviders that rely on the SID table.
  Index Maintenance: The secondary index may have been deleted during a maintenance operation, such as a data load or a reorganization of the database.
  Database Constraints: If there are constraints or issues with the underlying database, it may lead to the deletion of the index.
  Transport Issues: If the table structure was transported from one system to another, it might not have included the secondary index.
  
  Solution:
  
  Recreate the Index: The primary solution is to recreate the secondary index. This can typically be done through the Data Warehousing Workbench or by executing the appropriate transaction codes (like RSA1) to regenerate the index.
  Check Data Model: Review the data model to ensure that all necessary InfoObjects and InfoProviders are correctly defined and that there are no inconsistencies.
  Database Administration: If the issue persists, consult with your database administrator to check for any underlying database issues or constraints that may have caused the index deletion.
  Transport Management: If the issue arose after a transport, ensure that all necessary objects were included in the transport request and that the transport was successful.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about why the index was deleted.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSUOM162 for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation on managing secondary indexes in BW or HANA environments for best practices.
  Performance Tuning: Consider performance tuning strategies for your BW system, as proper indexing is crucial for query performance.
  
  If the problem continues after attempting these solutions, it may be beneficial to reach out to SAP support for further assistance.