How To Fix C1819 - More than one object already classified with same characteristic values

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 819

• Message text: More than one object already classified with same characteristic values

What causes this issue?

A number of objects with the same characteristic value were already
classified with class '&V1&' of class type '&V2&'. In class maintenance,
it was defined that a warning message appears in this case. This draws
your attention to potential redundancies.

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?

Check the characteristic value.
If you do not change the value, you are explicitly allowing
redundancies. However, the object to be classified may not be necessary,
because it can be replaced by the objects that already exist.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1819 - More than one object already classified with same characteristic values ?

  The SAP error message C1819, which states "More than one object already classified with same characteristic values," typically occurs in the context of classification in SAP, particularly when dealing with the classification system for materials or other objects. This error indicates that there is an attempt to classify an object (like a material or a document) with characteristic values that are already assigned to another object.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Classification: You are trying to classify a new object with characteristic values that are already assigned to another existing object in the classification system.
  Incorrect Configuration: The classification settings may not be configured to allow multiple objects to share the same characteristic values.
  Data Integrity Issues: There may be data integrity issues in the classification database, leading to conflicts in characteristic assignments.
  
  Solution:
  To resolve the C1819 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 and see which object is already using the same characteristic values.
  Identify the object that is causing the conflict.
  
  
  
  Modify Characteristic Values:
  
  If possible, modify the characteristic values of the new object you are trying to classify so that they do not conflict with existing objects.
  Ensure that the new values are unique and do not duplicate those of already classified objects.
  
  
  
  Review Classification Settings:
  
  Check the classification settings in the system to see if there are any restrictions on sharing characteristic values among objects.
  If necessary, consult with your SAP administrator or functional consultant to adjust these settings.
  
  
  
  Data Cleanup:
  
  If there are data integrity issues, consider performing a cleanup of the classification data to remove any duplicates or inconsistencies.
  This may involve deleting or reclassifying objects that are incorrectly classified.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on classification and characteristic management.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), and CL24 (Display Characteristics).
  Classification System: Understand the structure of the classification system in SAP, including classes, characteristics, and object types.
  SAP Notes: Check for any SAP Notes related to classification errors that may provide additional insights or patches.
  
  By following these steps, you should be able to identify the cause of the C1819 error and implement a solution to resolve it.