How To Fix KX422 - Ref.field must be maintained for time-based aggregation <> 'SUM'

KX422 - Overview

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 422

• Message text: Ref.field must be maintained for time-based aggregation <> 'SUM'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX422 - Ref.field must be maintained for time-based aggregation <> 'SUM' ?

  The SAP error message KX422, which states "Ref.field must be maintained for time-based aggregation <> 'SUM'," typically occurs in the context of SAP Controlling (CO) when dealing with time-based aggregations in your data models or reports. This error indicates that a reference field is required for the specified aggregation type, and it is not properly maintained in your configuration.
  
  Cause:
  
  Incorrect Configuration: The error usually arises when the system expects a reference field to be defined for a time-based aggregation that is not set up correctly.
  Aggregation Type: The aggregation type being used is not 'SUM', which means that the system requires additional information (like a reference field) to perform the aggregation correctly.
  Missing Data: The necessary reference field data might be missing or not properly linked in the relevant master data or transaction data.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for your time-based aggregation in the SAP system.
  Ensure that the reference field is defined