How To Fix CFD_REGISTRY_CHECK199 - Missing union all operator in union branch of subview &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REGISTRY_CHECK - Custom Fields: Messages for Registry Check

• Message number: 199

• Message text: Missing union all operator in union branch of subview &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REGISTRY_CHECK199 - Missing union all operator in union branch of subview &1. ?

  The SAP error message CFD_REGISTRY_CHECK199, which indicates a "Missing union all operator in union branch of subview &1," typically arises in the context of SAP HANA or SAP BW when there is an issue with the definition of a calculation view or a composite view that involves unions.
  Cause:
  This error generally occurs due to one of the following reasons:
  
  
  Incorrect Union Definition: The union operation in the calculation view is not properly defined. This could mean that the union branches do not have the required UNION ALL operator, or there is a syntax error in the SQL statement.
  
  
  Inconsistent Data Types: The data types of the columns being unioned must match. If there is a mismatch, it can lead to this error.
  
  
  Missing or Incorrectly Configured Subviews: If the subview referenced in the error message is not correctly configured or is missing, it can lead to this error.
  
  
  View Structure Issues: The structure of the views involved in the union may not be compatible, leading to the inability to perform the union operation.
  
  
  Solution:
  To resolve the CFD_REGISTRY_CHECK199 error, you can follow these steps:
  
  
  Check Union Definition:
  
  Open the calculation view or composite view in the SAP HANA Studio or SAP Web IDE.
  Ensure that the union branches are correctly defined and that the UNION ALL operator is present where necessary.
  
  
  
  Verify Data Types:
  
  Ensure that the columns being unioned have compatible data types. If there are discrepancies, adjust the data types accordingly.
  
  
  
  Review Subviews:
  
  Check the subviews referenced in the union. Ensure they are correctly defined and activated. If any subview is missing or incorrectly configured, fix the issues.
  
  
  
  Test the SQL:
  
  If possible, extract the SQL generated by the calculation view and test it directly in the SQL console. This can help identify any syntax errors or logical issues.
  
  
  
  Rebuild the View:
  
  If the issue persists, consider rebuilding the calculation view or composite view from scratch, ensuring that all components are correctly defined.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some issues may be resolved in newer versions.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific fixes or recommendations provided by SAP.
  Documentation: Refer to the official SAP HANA documentation for guidance on creating and managing calculation views and unions.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CFD_REGISTRY_CHECK199 error in your SAP environment.