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

SAP Error Message - Details

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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 correctly for the aggregation type you are using.
  
  
  
  Maintain Reference Field:
  
  If the reference field is not maintained, you need to enter the required reference field in the relevant configuration settings.
  This can typically be done in the customizing settings under the Controlling module.
  
  
  
  Review Aggregation Settings:
  
  Verify the aggregation settings in the relevant reports or data models to ensure they align with the expected configurations.
  If you are using a custom report or query, check the underlying data model for any discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the configuration of time-based aggregations and the required fields.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration by running the report or transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on configuration.
  Transaction Codes: Familiarize yourself with transaction codes related to CO configuration, such as OKKP (Controlling Area), KSV1 (Create Plan), or KSV2 (Change Plan).
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.