How To Fix 0Q204 - Dropping column KEY_IDX from fact tables

SAP Error Message - Details

• Message type: E = Error

• Message class: 0Q - Microsoft SQL Server Porting

• Message number: 204

• Message text: Dropping column KEY_IDX from fact tables

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 0Q204 - Dropping column KEY_IDX from fact tables ?

  The SAP error message 0Q204, which indicates "Dropping column KEY_IDX from fact tables," typically arises in the context of SAP BW (Business Warehouse) or SAP HANA environments. This error is related to the data model and the handling of key figures or attributes in fact tables.
  Cause:
  
  Data Model Changes: The error often occurs when there are changes in the data model, such as the removal or modification of a characteristic or key figure that is linked to the fact table.
  Inconsistent Data: If there are inconsistencies in the data or if the data model does not align with the underlying data source, it can lead to this error.
  Data Source Changes: Changes in the underlying data source (like a change in the structure of the source system) can also trigger this error.
  Activation Issues: If there are issues during the activation of the data model or if the data model is not properly activated, it can lead to this error.
  
  Solution:
  
  Check Data Model: Review the data model to ensure that all characteristics and key figures are correctly defined and that there are no missing or inconsistent elements.
  Re-activate the InfoProvider: If the data model has been changed, try re-activating the InfoProvider to ensure that all changes are properly reflected.
  Data Source Validation: Validate the data source to ensure that it is correctly configured and that there are no discrepancies between the source and the BW model.
  Check for Dependencies: Ensure that there are no dependencies on the KEY_IDX column in other parts of the data model. If there are, you may need to adjust those dependencies before dropping the column.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW or HANA you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to error 0Q204. SAP frequently updates its knowledge base with solutions for known issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Data Modeling Best Practices: Familiarize yourself with best practices for data modeling in SAP BW or HANA to avoid similar issues in the future.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.