How To Fix NGC_API_BASE030 - Obj. &1 (type &2), classification exists on same date (change number &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: NGC_API_BASE - NGC API Messages

• Message number: 030

• Message text: Obj. &1 (type &2), classification exists on same date (change number &3)

What causes this issue?

Classificiations cannot be processed with different change numbers that
have the same valid-from date.
You can only work with one change number on any given date.

System Response

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

How to fix this error?

Use a different change number.

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 NGC_API_BASE030 - Obj. &1 (type &2), classification exists on same date (change number &3) ?

  The SAP error message NGC_API_BASE030 typically occurs in the context of managing classifications in the SAP system, particularly when dealing with object classifications in the classification system. This error indicates that there is a conflict with the classification of an object on a specific date due to the presence of another classification for the same object on that date.
  Cause:
  The error message is triggered when:
  
  You are trying to create or change a classification for an object (e.g., material, equipment) on a specific date.
  There is already an existing classification for that object on the same date, which leads to a conflict.
  The system does not allow multiple classifications for the same object on the same date, as it can create ambiguity in data management.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Classifications:
  
  Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to check the existing classifications for the object in question.
  Identify if there is indeed a classification already assigned to the object on the specified date.
  
  
  
  Modify the Date:
  
  If possible, change the date of the new classification you are trying to create or modify. Ensure that it does not overlap with the existing classification date.
  
  
  
  Remove or Change Existing Classification:
  
  If the existing classification is no longer needed, you can remove it or change its date to allow for the new classification to be added.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to classification management to understand the rules and constraints regarding classifications.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or SAP directly for assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), and CL24 (Display Class Hierarchy).
  Classification System: Understand the classification system in SAP, including how classes and characteristics are defined and managed.
  Change Management: Be aware of how change numbers work in SAP, especially in relation to object management and classification changes.
  
  By following these steps, you should be able to address the NGC_API_BASE030 error and successfully manage classifications in your SAP system.