How To Fix KM798 - Error during data selection

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 798

• Message text: Error during data selection

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KM798 - Error during data selection ?

  The SAP error message KM798, which states "Error during data selection," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with data extraction or selection from a data source. This error can arise due to various reasons, and understanding the cause is crucial for resolving it.
  Possible Causes:
  
  Data Source Issues: The data source may not be properly configured or may be inactive.
  Authorization Problems: The user may lack the necessary authorizations to access the data.
  Data Model Changes: Changes in the underlying data model (like InfoObjects, InfoProviders, etc.) can lead to inconsistencies.
  Data Quality Issues: There may be issues with the data itself, such as missing or corrupt records.
  Technical Errors: There could be technical issues such as network problems, database connectivity issues, or system performance problems.
  Incorrect Query Design: The query may be incorrectly designed, leading to selection issues.
  
  Solutions:
  
  Check Data Source Configuration: Ensure that the data source is active and properly configured. Verify the connection settings and data source properties.
  Review Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to access the data.
  Validate Data Model: Review any recent changes to the data model and ensure that all InfoObjects and InfoProviders are correctly defined and activated.
  Data Quality Checks: Perform data quality checks to identify and rectify any issues with the data itself.
  Monitor System Performance: Check for any system performance issues or network problems that may be affecting data selection.
  Query Design Review: Review the query design for any logical errors or incorrect filters that may be causing the issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to check the data source and monitor data loads.
  Logs and Traces: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to KM798.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.