How To Fix 0S174 - Internal error & while aggregating tables

SAP Error Message - Details

• Message type: E = Error

• Message class: 0S - Messages for the SQL trace

• Message number: 174

• Message text: Internal error & while aggregating tables

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 0S174 - Internal error & while aggregating tables ?

  The SAP error message 0S174, which indicates an "Internal error" while aggregating tables, typically arises during the data aggregation process in SAP BW (Business Warehouse) or SAP HANA environments. This error can be caused by various factors, including data inconsistencies, issues with the data model, or problems with the underlying database.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being aggregated, such as missing or corrupted records.
  Modeling Issues: Problems with the data model, such as incorrect relationships between tables or incorrect aggregation settings.
  Database Issues: Issues with the underlying database, such as locks, performance problems, or corruption.
  Memory Issues: Insufficient memory allocation for the aggregation process, leading to internal errors.
  Version Compatibility: Using incompatible versions of SAP components or tools.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Run consistency checks on the data in the InfoProviders or the underlying tables.
  Use transaction codes like RSA1 to check for errors in the data model.
  
  
  
  Review Aggregation Settings:
  
  Verify the aggregation settings in the InfoCube or DataStore Object (DSO) to ensure they are correctly configured.
  Check the aggregation levels and ensure they align with the data being processed.
  
  
  
  Database Maintenance:
  
  Perform database maintenance tasks, such as re-indexing or updating statistics, to improve performance and resolve potential corruption.
  Check for locks or long-running queries that may be affecting the aggregation process.
  
  
  
  Increase Memory Allocation:
  
  If memory issues are suspected, consider increasing the memory allocation for the SAP application server or the database server.
  
  
  
  Check for Updates:
  
  Ensure that you are using the latest patches and updates for your SAP system, as these may contain fixes for known issues.
  
  
  
  Review Logs:
  
  Check the SAP application logs (transaction SLG1) and system logs (transaction SM21) for more detailed error messages that can provide insights into the cause of the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs and system configurations.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), SM21 (System Log), and SLG1 (Application Log).
  SAP Notes: Search for SAP Notes related to error 0S174 in the SAP Support Portal, as there may be specific fixes or workarounds documented.
  Documentation: Review SAP documentation for best practices in data modeling and aggregation processes.
  
  By following these steps, you should be able to diagnose and resolve the internal error associated with aggregating tables in SAP.