How To Fix RSAU468 - IC=& IS=& error when determining the communication structure

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 468

• Message text: IC=& IS=& error when determining the communication structure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU468 - IC=& IS=& error when determining the communication structure ?

  The SAP error message RSAU468 typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the communication structure during data extraction or loading processes. This error can arise due to various reasons, including configuration issues, missing or incorrect settings, or problems with the data source.
  Cause of RSAU468 Error
  
  Missing Communication Structure: The communication structure for the data source may not be defined or activated.
  Incorrect Data Source Configuration: The data source may not be properly configured in the SAP BW system.
  Inconsistent Data Model: There may be inconsistencies in the data model, such as missing fields or incorrect mappings.
  Transport Issues: If the data source was transported from another system, there may be issues with the transport that need to be resolved.
  Authorization Issues: The user may not have the necessary authorizations to access the communication structure.
  
  Solutions to RSAU468 Error
  
  
  Check Communication Structure:
  
  Go to the Data Source in the SAP BW system and check if the communication structure is defined and activated.
  Use transaction code RSA1 to access the Data Warehousing Workbench and verify the settings.
  
  
  
  Re-activate Data Source:
  
  Sometimes, simply reactivating the data source can resolve the issue. You can do this in the Data Warehousing Workbench.
  
  
  
  Check Data Source Configuration:
  
  Ensure that the data source is correctly configured, including the extraction method and any necessary transformations.
  
  
  
  Review Data Model:
  
  Check for any inconsistencies in the data model. Ensure that all required fields are present and correctly mapped.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to access the communication structure. This can be done by checking the user roles and authorizations.
  
  
  
  Transport Issues:
  
  If the data source was recently transported, check for any transport-related issues. You may need to re-import the transport or correct any inconsistencies.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches related to this error. Sometimes, SAP releases updates that address specific issues.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSPC: Process Chain Maintenance
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error.
  
  
  Documentation: Review SAP documentation related to data extraction and communication structures for additional insights.
  
  
  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.