How To Fix R7638 - InfoObject &1 properties changed; triggered reactivation of HANA models

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 638

• Message text: InfoObject &1 properties changed; triggered reactivation of HANA models

Self-Explanatory Message

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• What is the cause and solution for SAP error message R7638 - InfoObject &1 properties changed; triggered reactivation of HANA models ?

  The SAP error message R7638 indicates that the properties of an InfoObject have been changed, which has triggered the reactivation of HANA models that depend on that InfoObject. This is a common scenario in SAP BW/4HANA or SAP BW on HANA environments where changes to InfoObjects can affect the underlying data models and views.
  Cause:
  
  Change in InfoObject Properties: The properties of an InfoObject (like data type, length, or attributes) have been modified. This can happen during data modeling or when adjustments are made to the InfoObject in the SAP BW system.
  Dependency on HANA Models: The InfoObject is used in HANA models (like Calculation Views, Attribute Views, or Analytic Views). When the properties of the InfoObject change, it necessitates a re-evaluation of the HANA models that utilize it.
  
  Solution:
  
  
  Reactivation of HANA Models: The primary solution is to reactivate the affected HANA models. This can typically be done through the SAP HANA Studio or the SAP BW modeling tools. 
  
  Open the HANA model in the modeling environment.
  Check for any errors or warnings that may arise due to the changes.
  Reactivate the model to ensure it reflects the updated InfoObject properties.
  
  
  
  Check Dependencies: Review the dependencies of the InfoObject to identify all HANA models that may be affected. This can help in understanding the scope of the changes and ensuring all necessary models are reactivated.
  
  
  Testing: After reactivating the models, it is essential to test the data flows and queries that utilize these models to ensure that they function correctly with the updated InfoObject properties.
  
  
  Documentation: Document the changes made to the InfoObject and the subsequent reactivation of HANA models for future reference and to maintain a clear change log.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Best Practices: Follow best practices for managing InfoObjects and HANA models, including version control and change management processes to minimize disruptions.
  
  By following these steps, you should be able to resolve the R7638 error and ensure that your HANA models are functioning correctly with the updated InfoObject properties.