How To Fix R7B666 - Char. &1 used in DSO with data. Master Data property cannot be changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 666

• Message text: Char. &1 used in DSO with data. Master Data property cannot be changed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7B666 - Char. &1 used in DSO with data. Master Data property cannot be changed. ?

  The SAP error message R7B666 indicates that there is an issue with changing the master data property of a characteristic that is currently being used in a DataStore Object (DSO) that contains data. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA.
  Cause:
  The error arises when you attempt to modify a property of a characteristic (like its data type, length, or other attributes) that is already in use in a DSO that has data loaded into it. Since the DSO is populated with data, changing the properties of the characteristic could lead to inconsistencies or data integrity issues.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Usage: Verify if the characteristic is indeed being used in any DSO that contains data. You can do this by checking the DSO's structure and the InfoObjects it references.
  
  
  Remove Data: If you need to change the property of the characteristic, you may need to delete the data from the DSO. This can be done by:
  
  Deleting the data from the DSO using the Data Warehousing Workbench.
  Alternatively, you can create a new DSO without the characteristic or with the modified characteristic.
  
  
  
  Change the Characteristic: Once the DSO is empty, you can proceed to change the properties of the characteristic as needed.
  
  
  Reload Data: After making the necessary changes, you can reload the data into the DSO.
  
  
  Consider Alternatives: If the change is not critical, consider whether you can achieve your goals without modifying the characteristic. Sometimes, creating a new characteristic or using a different approach may be more efficient.
  
  
  Related Information:
  
  Backup: Always ensure you have a backup of your data before making significant changes to your data model.
  Documentation: Refer to SAP documentation for specific details on characteristics and DSOs, as well as best practices for managing data models in SAP BW.
  Testing: After making changes, conduct thorough testing to ensure that the data integrity is maintained and that the DSO functions as expected.
  
  If you continue to face issues or if the situation is complex, consider reaching out to your SAP support team or consulting with an SAP BW expert for further assistance.