How To Fix /STMC/CR_MSG523 - Error while looking for alias in data source '&2'; '&1' not configured

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 523

• Message text: Error while looking for alias in data source '&2'; '&1' not configured

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_MSG523 - Error while looking for alias in data source '&2'; '&1' not configured ?

  The SAP error message /STMC/CR_MSG523 indicates that there is an issue with finding an alias in a data source. Specifically, the message states that the alias for the data source is not configured correctly. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause
  
  Missing Configuration: The alias for the specified data source (&2) is not configured in the system. This could happen if the alias was never set up or if it was deleted or modified incorrectly.
  Incorrect Data Source Name: The data source name (&1) may be incorrect or misspelled, leading to the system being unable to find the corresponding alias.
  Transport Issues: If the configuration was transported from another system, there may have been issues during the transport process that resulted in the alias not being created or linked properly.
  Authorization Issues: The user may not have the necessary authorizations to access the data source or its alias.
  
  Solution
  
  
  Check Configuration:
  
  Go to the relevant transaction (e.g., RSA1 for Data Warehousing) and check the configuration of the data source.
  Ensure that the alias for the data source is correctly defined and active.
  
  
  
  Create or Update Alias:
  
  If the alias is missing, create a new alias for the data source.
  If it exists but is incorrect, update the alias to point to the correct data source.
  
  
  
  Verify Data Source Name:
  
  Double-check the data source name being used in the query or report to ensure it matches the configured name in the system.
  
  
  
  Check Transport Logs:
  
  If the configuration was recently transported, check the transport logs for any errors or warnings that might indicate issues with the alias configuration.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the data source and its alias. This may involve checking roles and permissions in the user profile.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific data source and alias configuration for additional guidance.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes like RSA1 (Data Warehousing Workbench) and RSO2 (Data Source Maintenance) for managing data sources and aliases.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the /STMC/CR_MSG523 error message in SAP.