How To Fix CL143 - Maximum number of characteristics (999) exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 143

• Message text: Maximum number of characteristics (999) exceeded

What causes this issue?

Each class can have a maximum of 999 characteristics.

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?

Change the setup of your classification system such that the maximum
number of characteristics is not exceeded.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL143 - Maximum number of characteristics (999) exceeded ?

  The SAP error message CL143, which states "Maximum number of characteristics (999) exceeded," typically occurs in the context of classification in SAP. This error indicates that you are trying to create or manage a class that has exceeded the maximum limit of characteristics allowed, which is set at 999.
  Cause:
  
  Exceeding Characteristic Limit: The primary cause of this error is that the class you are working with has more than 999 characteristics assigned to it. This limit is imposed by the SAP system to maintain performance and manageability.
  Data Model Design: Poor data model design or an attempt to classify too many attributes under a single class can lead to this issue.
  
  Solution:
  
  Review Characteristics: Check the characteristics assigned to the class. You can do this by navigating to the classification view in SAP and reviewing the list of characteristics.
  Consolidate Characteristics: If possible, consolidate similar characteristics or remove any that are not necessary. This may involve re-evaluating the classification structure and determining if some characteristics can be grouped or eliminated.
  Create Subclasses: If you have a large number of characteristics that are necessary, consider creating subclasses. This allows you to distribute characteristics across multiple classes, each with its own set of characteristics, thus staying within the limit.
  Use Alternative Classification Methods: If the classification structure is too complex, consider using alternative methods for managing the data, such as using attributes in a different way or leveraging other SAP functionalities that may not have the same limitations.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to classification limits. Sometimes, SAP may provide guidance or enhancements in newer versions.
  Documentation: Review SAP documentation on classification and characteristics management for best practices and guidelines.
  Performance Considerations: Keep in mind that having a large number of characteristics can impact system performance, so it's advisable to keep the classification structure as streamlined as possible.
  
  By following these steps, you should be able to resolve the CL143 error and manage your classification structure effectively within SAP.