How To Fix R7521 - InfoObject &1, version &2: The InfoObject type was changed to &3

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 521

• Message text: InfoObject &1, version &2: The InfoObject type was changed to &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7521 - InfoObject &1, version &2: The InfoObject type was changed to &3 ?

  The SAP error message R7521 indicates that there has been a change in the type of an InfoObject in the SAP BW (Business Warehouse) system. This can occur when the characteristics or key figures in the InfoObject are modified, which can lead to inconsistencies in the data model or reporting.
  Cause:
  The error message R7521 is triggered when:
  
  An InfoObject's type (e.g., from characteristic to key figure or vice versa) has been changed in the data dictionary.
  The change may have been made intentionally during a modeling process or inadvertently during a transport of changes.
  The system detects that the version of the InfoObject being used is not compatible with the current definition in the data model.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the InfoObject Definition:
  
  Go to the InfoObject maintenance transaction (e.g., RSA1) and check the definition of the InfoObject in question.
  Verify the current type of the InfoObject and ensure it matches the expected type in your data model.
  
  
  
  Adjust Data Model:
  
  If the InfoObject type has changed, you may need to adjust any data models, queries, or reports that rely on this InfoObject to align with the new definition.
  Update any transformations or data flows that utilize this InfoObject.
  
  
  
  Re-activate the InfoObject:
  
  Sometimes, simply reactivating the InfoObject can resolve the issue. This can be done in the InfoObject maintenance screen.
  
  
  
  Check for Transport Issues:
  
  If the change was made during a transport, ensure that all related objects were transported correctly and that there are no inconsistencies between the development and production environments.
  
  
  
  Consult Documentation:
  
  Review any documentation or change logs related to the InfoObject to understand why the change was made and if it was intended.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the affected queries or reports to ensure they function correctly with the updated InfoObject.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  Data Modeling Best Practices: Familiarize yourself with best practices for data modeling in SAP BW to avoid similar issues in the future.
  Version Management: Understand how version management works in SAP BW to keep track of changes made to InfoObjects and their impact on data models.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or BW team for further investigation.