How To Fix RSDD145 - Aggregate &1: Read from &2 and write directly to the database

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 145

• Message text: Aggregate &1: Read from &2 and write directly to the database

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD145 - Aggregate &1: Read from &2 and write directly to the database ?

  The SAP error message RSDD145 typically occurs in the context of SAP BW (Business Warehouse) when there is an issue related to the aggregation process of data. This error indicates that there is a problem with reading from a data source and writing directly to the database, specifically for an aggregate.
  Cause:
  
  Database Locking Issues: The database might be locked due to another process, preventing the aggregate from being updated.
  Insufficient Authorizations: The user executing the process may not have the necessary authorizations to read from the source or write to the database.
  Data Source Issues: The data source from which the aggregate is trying to read may be unavailable or incorrectly configured.
  Technical Issues: There could be underlying technical issues with the database or the BW system itself, such as connectivity problems or configuration errors.
  
  Solution:
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the database tables that might be preventing the operation. If locks are found, they may need to be released.
  Verify Authorizations: Ensure that the user has the necessary authorizations to perform the read and write operations. This can be checked in transaction SU53 or by reviewing the user's roles and authorizations.
  Validate Data Source: Check the configuration of the data source to ensure it is active and correctly set up. You can do this in the Data Warehousing Workbench (transaction RSA1).
  Monitor System Performance: Use transaction ST22 to check for any dumps or errors that might indicate a deeper issue with the BW system or database.
  Rebuild the Aggregate: If the aggregate is corrupted, you may need to delete and recreate it. This can be done in the Aggregates section of the InfoCube in the Data Warehousing Workbench.
  Check for Updates: Ensure that your SAP BW system is up to date with the latest patches and updates, as some issues may have been resolved in newer versions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), SM12 (Display and Manage Locks), ST22 (Dump Analysis), and SU53 (Authorization Check).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to aggregates and data loading processes in BW for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.