How To Fix WXP624 - Basic characteristic &1 must be the key field for break-down table &3

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 624

• Message text: Basic characteristic &1 must be the key field for break-down table &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXP624 - Basic characteristic &1 must be the key field for break-down table &3 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP624 Basic characteristic &1 must be the key field for break-down table &3
  
  Cause:
  This warning message occurs in SAP BW (Business Warehouse) or SAP BW/4HANA when defining or working with break-down tables (also known as navigation attributes or master data attributes) in InfoObjects or InfoProviders.
  
  The message indicates that the basic characteristic (denoted by &1) must be included as a key field in the break-down table (denoted by &3).
  In other words, the break-down table must have the basic characteristic as part of its primary key to ensure proper join and data integrity.
  If the basic characteristic is not a key field in the break-down table, the system cannot uniquely identify records or correctly link the break-down table to the master data table.
  
  
  Explanation:
  
  A break-down table is used to store additional attributes or texts related to a characteristic.
  The basic characteristic is the main characteristic for which the break-down table is created.
  The break-down table must have a key structure that includes the basic characteristic to maintain referential integrity.
  If the basic characteristic is missing from the key fields, the system raises this warning to prevent inconsistent or incorrect data retrieval.
  
  
  Solution:
  To resolve this warning:
  
  
  Check the break-down table definition:
  
  Go to the Data Dictionary (transaction SE11).
  Open the break-down table &3 (the table name given in the message).
  Verify the key fields of the table.
  
  
  
  Add the basic characteristic as a key field:
  
  Ensure that the basic characteristic &1 is included in the key fields of the break-down table.
  If it is missing, add it as a key field.
  
  
  
  Adjust the table structure if necessary:
  
  If the table structure does not allow adding the basic characteristic as a key, you may need to redesign the table or the InfoObject attributes.
  
  
  
  Regenerate or activate the InfoObject or InfoProvider:
  
  After correcting the table structure, regenerate or activate the InfoObject or InfoProvider to apply changes.
  
  
  
  Check related master data and attribute assignments:
  
  Ensure that the master data and attribute relationships are consistent with the new key structure.
  
  
  
  
  Additional Information:
  
  This message is a warning (WXP624), not an error, so it may not stop processing but indicates a potential data integrity issue.
  Proper key definition is crucial for performance and correctness in BW queries and reporting.
  This issue often arises during custom development or when extending standard InfoObjects with additional attributes.
  Always test changes in a development or sandbox system before transporting to production.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Message
  WXP624 Basic characteristic &1 must be the key field for break-down table &3
  
  
  Cause
  Basic characteristic missing from break-down table key fields
  
  
  Solution
  Add the basic characteristic as a key field in the break-down table
  
  
  Impact
  Potential data integrity and join issues if not corrected
  
  
  Transaction
  SE11 (Data Dictionary), RSA1 (BW Modeling)
  
  
  
  
  If you need help with specific steps or have the table and characteristic names, I can guide you through the exact corrections.