How To Fix RSAU459 - IC=& IS=& error when reading the update rules

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 459

• Message text: IC=& IS=& error when reading the update rules

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU459 - IC=& IS=& error when reading the update rules ?

  The SAP error message RSAU459 typically occurs in the context of data extraction and transformation processes, particularly when dealing with update rules in SAP BW (Business Warehouse). The error message indicates that there is an issue with reading the update rules for a specific InfoSource or InfoProvider.
  Cause of the Error
  The RSAU459 error can be caused by several factors, including:
  
  
  Missing or Incomplete Update Rules: The update rules for the InfoSource or InfoProvider may not be defined correctly or may be missing altogether.
  
  
  Authorization Issues: The user executing the process may not have the necessary authorizations to read the update rules.
  
  
  Technical Issues: There may be technical issues with the underlying data model, such as inconsistencies in the data flow or problems with the InfoSource or InfoProvider configuration.
  
  
  Transport Issues: If the update rules were recently transported from one system to another, there may be inconsistencies or missing objects in the target system.
  
  
  Data Source Issues: The data source from which the data is being extracted may not be properly configured or may have issues.
  
  
  Solutions
  To resolve the RSAU459 error, you can take the following steps:
  
  
  Check Update Rules:
  
  Go to the Data Warehousing Workbench (transaction RSA1) and check the update rules for the relevant InfoSource or InfoProvider.
  Ensure that the update rules are correctly defined and activated.
  
  
  
  Review Authorizations:
  
  Verify that the user has the necessary authorizations to access the update rules. You may need to check the roles and profiles assigned to the user.
  
  
  
  Check for Technical Issues:
  
  Review the data flow and ensure that all components (InfoSources, InfoProviders, transformations) are correctly configured and activated.
  Check for any inconsistencies in the data model.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, ensure that all necessary objects were transported correctly and that there are no missing dependencies.
  
  
  
  Data Source Configuration:
  
  Verify the configuration of the data source from which data is being extracted. Ensure that it is set up correctly and that there are no issues with the connection.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Recreate Update Rules:
  
  If the update rules are corrupted or not functioning as expected, consider recreating them.
  
  
  
  Related Information
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSAU: Update Rules Maintenance
  SLG1: Application Log
  
  
  
  SAP Notes: Check SAP Notes related to RSAU459 for any specific patches or updates that may address known issues.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on update rules and data extraction processes.
  
  
  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.