How To Fix RSAU120 - Error when reading the fields of the comm. structure for InfoSource &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 120

• Message text: Error when reading the fields of the comm. structure for InfoSource &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU120 - Error when reading the fields of the comm. structure for InfoSource & ?

  The SAP error message RSAU120 typically occurs when there is an issue with the communication structure of an InfoSource in SAP BW (Business Warehouse). This error can arise due to various reasons, such as missing fields, incorrect configurations, or issues with the data source.
  Cause:
  
  Missing Fields: The fields defined in the communication structure may not match the fields in the underlying data source.
  Incorrect Configuration: The InfoSource may not be properly configured, leading to discrepancies in the expected data structure.
  Data Source Issues: The data source from which the InfoSource is pulling data may have been changed or is not active.
  Transport Issues: If the InfoSource was transported from one system to another, there may be inconsistencies in the data structure.
  Authorization Issues: Lack of proper authorizations to access the InfoSource or its underlying data structures.
  
  Solution:
  
  Check Communication Structure: Verify that the communication structure for the InfoSource is correctly defined and that all required fields are present.
  Recheck Data Source: Ensure that the data source is active and that it has not been modified in a way that affects the InfoSource.
  Update InfoSource: If there have been changes to the underlying data source, you may need to update the InfoSource to reflect these changes.
  Transport Consistency: If the InfoSource was transported, check for any inconsistencies and ensure that all related objects are also transported correctly.
  Authorization Check: Ensure that the user has the necessary authorizations to access the InfoSource and its components.
  Rebuild InfoSource: In some cases, it may be necessary to delete and recreate the InfoSource if it is corrupted or misconfigured.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to check the InfoSource and its configuration.
  SAP Notes: Check SAP Notes for any known issues or patches related to the RSAU120 error.
  Logs and Traces: Review the logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  Documentation: Refer to SAP documentation for detailed information on InfoSources and communication structures.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further assistance.