How To Fix KN423 - New fields added to the summarization levels

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 423

• Message text: New fields added to the summarization levels

What causes this issue?

New fields are available for the drilldown reports, for example due to
a release upgrade. These fields did not previously exist in the
summarization levels.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The new fields are added to the existing dataset of the summarization
levels (with blank initial value). The new fields are included in data
collection runs from now on.

How to fix this error?

Note that in reports that use the new fields, these fields will not be
filled if the data is old.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN423 - New fields added to the summarization levels ?

  The SAP error message KN423 indicates that new fields have been added to the summarization levels in the SAP system, which can lead to issues with data summarization in the context of the Sales and Distribution (SD) module, particularly in the area of customer master data.
  Cause:
  The error typically arises when there are changes in the data model or configuration that affect how data is summarized. This can happen due to:
  
  Configuration Changes: New fields have been added to the summarization levels in the customer master data configuration.
  Data Model Updates: Updates to the underlying data model that require adjustments in how data is aggregated or summarized.
  Incompatibility: Existing summarization levels may not be compatible with the new fields, leading to inconsistencies in data processing.
  
  Solution:
  To resolve the KN423 error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings for the summarization levels in the customer master data. Ensure that all necessary fields are correctly defined and that there are no discrepancies.
  
  
  Update Summarization Levels: If new fields have been added, you may need to update the summarization levels to include these fields. This can involve:
  
  Accessing the relevant configuration transaction (e.g., SPRO).
  Navigating to the section for Sales and Distribution > Master Data > Customer > Define Summarization Levels.
  Adding or adjusting the fields as necessary.
  
  
  
  Rebuild Summarization: If the summarization levels have been modified, you may need to rebuild the summarization data. This can often be done through a specific transaction or program designed to regenerate the summarization.
  
  
  Check for Notes and Patches: Look for any SAP Notes or patches that may address this specific error. SAP frequently releases updates that can resolve known issues.
  
  
  Testing: After making changes, conduct thorough testing to ensure that the summarization levels are functioning correctly and that the error no longer appears.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed guidance on configuring summarization levels and handling customer master data.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex configurations or custom developments.
  
  By following these steps, you should be able to address the KN423 error and ensure that your summarization levels are correctly configured to handle the new fields.