How To Fix RSAU481 - Error in the communication structure enhancement for the InfoSource

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 481

• Message text: Error in the communication structure enhancement for the InfoSource

What causes this issue?

Error in the communication structure enhancement for InfoSource &V1&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the self-defined code for the communication structure enhancement
and correct it where necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU481 - Error in the communication structure enhancement for the InfoSource ?

  The SAP error message RSAU481 indicates that there is an issue with the communication structure enhancement for an InfoSource in the SAP BW (Business Warehouse) environment. This error typically arises during the data extraction process when there is a mismatch or inconsistency in the data structures.
  Cause:
  
  Inconsistent Data Structures: The communication structure for the InfoSource may not match the underlying data source or the data model.
  Missing Fields: Required fields in the communication structure may be missing or incorrectly defined.
  Enhancement Issues: If there are enhancements or modifications made to the InfoSource or the underlying data source, they may not be properly reflected in the communication structure.
  Transport Issues: If the InfoSource was transported from one system to another, there may be inconsistencies in the data structures.
  
  Solution:
  
  Check Communication Structure: Verify that the communication structure for the InfoSource is correctly defined and matches the underlying data source. You can do this by navigating to the InfoSource in the SAP BW system and checking the structure.
  Enhance the InfoSource: If there are enhancements that need to be made, ensure that they are correctly implemented. You may need to adjust the fields in the communication structure to align with the enhancements.
  Rebuild the InfoSource: In some cases, it may be necessary to delete and recreate the InfoSource to ensure that all structures are correctly aligned.
  Check for Missing Fields: Ensure that all required fields are present in the communication structure. If any fields are missing, add them accordingly.
  Transport Consistency: If the InfoSource was transported, check for any inconsistencies that may have occurred during the transport process. You may need to re-transport the InfoSource or manually adjust the structures.
  Check for Notes and Patches: Look for any SAP Notes or patches that may address known issues related to the RSAU481 error. Applying relevant updates can sometimes resolve the issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to access the InfoSource and check its configuration.
  SAP Notes: Search the SAP Support Portal for notes related to RSAU481 or InfoSource enhancements for additional guidance and troubleshooting steps.
  Documentation: Review SAP documentation on InfoSources and data extraction processes to ensure that you are following best practices.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further analysis and support.