How To Fix ALM_US_BW021 - Datasources for ALM are generated, and must start with the number 1.

SAP Error Message - Details

• Message type: E = Error

• Message class: ALM_US_BW - Messages for ALM BW Reporting

• Message number: 021

• Message text: Datasources for ALM are generated, and must start with the number 1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ALM_US_BW021 - Datasources for ALM are generated, and must start with the number 1. ?

  The SAP error message ALM_US_BW021 indicates that there is an issue with the naming convention of the data sources for Application Lifecycle Management (ALM) in the Business Warehouse (BW) system. Specifically, it states that the data sources must start with the number "1".
  Cause:
  The error typically arises when:
  
  The data sources for ALM are not following the required naming convention, which mandates that they start with the digit "1".
  There may be a configuration or setup issue in the BW system where the data sources are defined incorrectly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Source Names:
  
  Review the names of the data sources that have been created for ALM in your BW system.
  Ensure that all data source names start with the number "1".
  
  
  
  Rename Data Sources:
  
  If you find any data sources that do not comply with the naming convention, rename them to start with "1".
  This can typically be done in the Data Warehousing Workbench (transaction RSA1) or through the relevant configuration settings.
  
  
  
  Re-generate Data Sources:
  
  If necessary, you may need to delete and re-generate the data sources to ensure they are created with the correct naming convention.
  Use the appropriate transaction codes or tools in SAP to regenerate the data sources.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings for ALM and BW to ensure that there are no other constraints or settings that might be affecting the naming of data sources.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to ALM and BW for any specific guidelines or updates regarding data source naming conventions.
  
  
  
  Testing:
  
  After making the necessary changes, test the data sources to ensure that they are functioning correctly and that the error message no longer appears.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review the official SAP documentation for ALM and BW for best practices and guidelines on data source management.
  
  By following these steps, you should be able to resolve the ALM_US_BW021 error and ensure that your data sources are correctly configured for use in the BW system.