How To Fix RSM459 - IC=& IS=& error when reading the update rules

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• 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 RSM459 - IC=& IS=& error when reading the update rules ?

  The SAP error message RSM459 typically indicates an issue with the update rules in the context of data extraction or data loading processes, particularly in SAP BW (Business Warehouse). The error message format suggests that there is a problem with the update rules for InfoCubes or DataStore Objects (DSOs).
  Cause of the Error
  
  Missing or Incorrect Update Rules: The update rules for the InfoProvider may not be defined correctly or may be missing entirely.
  Inconsistent Data: There may be inconsistencies in the data being processed, which can lead to issues when the system attempts to read the update rules.
  Transport Issues: If the update rules were transported from one system to another, there may have been issues during the transport process that caused the rules to become corrupted or incomplete.
  Authorization Issues: The user executing the process may not have the necessary authorizations to read the update rules.
  Technical Issues: There could be underlying technical issues with the BW system, such as database connectivity problems or issues with the BW objects themselves.
  
  Solutions
  
  Check Update Rules: Go to the Data Warehousing Workbench (transaction RSA1) and verify that the update rules for the relevant InfoProvider are correctly defined. Ensure that all necessary fields are mapped correctly.
  Recreate Update Rules: If the update rules are missing or corrupted, consider recreating them. This can often resolve issues related to missing configurations.
  Check Data Consistency: Ensure that the data being loaded is consistent and adheres to the expected formats and structures defined in the update rules.
  Review Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to access and execute the update rules.
  Transport Check: If the issue arose after a transport, check the transport logs for any errors and consider re-importing the transport request if necessary.
  System Logs: Review the system logs (transaction SM21) and the BW error logs (transaction RSMO) for any additional error messages that may provide more context about the issue.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSMO (Monitor Data Load), and SM21 (System Log).
  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 BW update rules and data loading processes 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 or BW team for further investigation or to reach out to SAP support for assistance.