How To Fix RSD_TREX428 - Check query reads from &1 (data source: '&2')

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 428

• Message text: Check query reads from &1 (data source: '&2')

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 RSD_TREX428 - Check query reads from &1 (data source: '&2') ?

  The SAP error message RSD_TREX428 typically indicates an issue with a query that is trying to read data from a specific data source, but there is a problem with the data source or the query itself. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Data Source Issues: The data source specified in the error message may not be available, may be incorrectly configured, or may not contain the expected data.
  Query Configuration: The query may be incorrectly set up, such as having filters or selections that do not match the data in the data source.
  Authorization Issues: The user executing the query may not have the necessary authorizations to access the data source.
  Technical Issues: There may be underlying technical issues with the SAP system, such as problems with the underlying database or the connection to the data source.
  
  Solutions:
  
  
  Check Data Source:
  
  Verify that the data source (&2 in the error message) is active and correctly configured.
  Ensure that the data source is populated with data and that it is not empty.
  
  
  
  Review Query Configuration:
  
  Check the query settings in the SAP BW Query Designer or the relevant tool you are using.
  Ensure that the filters and selections in the query are valid and correspond to the data available in the data source.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the query has the necessary authorizations to access the data source.
  Check the roles and authorizations assigned to the user in the SAP system.
  
  
  
  Technical Troubleshooting:
  
  Check for any system logs or error messages that may provide additional context about the issue.
  If there are connectivity issues, verify the connection settings and ensure that the database is accessible.
  
  
  
  Rebuild or Refresh the Data Source:
  
  If the data source is a BW InfoProvider, consider rebuilding or refreshing the data source to ensure it is up to date.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes or documentation that may address this specific error message. SAP frequently updates its knowledge base with solutions to common issues.
  
  
  
  Related Information:
  
  SAP BW/BI Documentation: Review the official SAP documentation for BW/BI to understand how to configure data sources and queries properly.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) to manage data sources and queries.
  
  By following these steps, you should be able to diagnose and resolve the RSD_TREX428 error in your SAP environment.