How To Fix C$289 - Class key & is incomplete

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 289

• Message text: Class key & is incomplete

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 C$289 - Class key & is incomplete ?

  The SAP error message C$289 "Class key & is incomplete" typically occurs in the context of classification in SAP, particularly when dealing with class types and characteristics in the classification system. This error indicates that the class key you are trying to use is not fully defined or is missing required components.
  Cause:
  
  Incomplete Class Definition: The class key you are trying to use may not have all the necessary attributes or characteristics defined.
  Missing Characteristics: The class may be missing required characteristics that are needed for the classification to be complete.
  Incorrect Class Type: The class type being used may not be appropriate for the data or object you are trying to classify.
  Data Entry Errors: There may be typographical errors or incorrect data entries when trying to reference the class key.
  
  Solution:
  
  Check Class Definition: Go to the classification view in SAP and check the definition of the class key. Ensure that all required characteristics are defined and that the class is complete.
  
  Transaction Code: CL02 (Change Class)
  
  
  Add Missing Characteristics: If any required characteristics are missing, add them to the class definition.
  Verify Class Type: Ensure that the class type you are using is appropriate for the object you are trying to classify. You can check this in the class type settings.
  Correct Data Entry: Double-check the class key you are entering for any typographical errors or incorrect values.
  Consult Documentation: If you are unsure about the required characteristics or class types, refer to SAP documentation or consult with your SAP administrator or functional consultant.
  
  Related Information:
  
  Transaction Codes: 
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  
  
  Classification System: Understand the classification system in SAP, including how classes and characteristics are structured.
  SAP Notes: Check SAP Notes for any known issues or patches related to classification errors.
  User Authorization: Ensure that you have the necessary authorizations to create or modify classes in the SAP system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the classification module.