How To Fix C$290 - There is no class with key &

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 290

• Message text: There is no class with key &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$290 - There is no class with key & ?

  The SAP error message C$290 ("There is no class with key &") typically indicates that the system is unable to find a class in the classification system that corresponds to the key provided. This can occur in various contexts, such as when working with material master data, equipment, or other objects that utilize classification.
  Causes:
  
  Incorrect Class Key: The key provided may be incorrect or misspelled.
  Class Not Created: The class may not have been created in the system.
  Authorization Issues: The user may not have the necessary authorizations to view or access the class.
  Data Deletion: The class may have been deleted or is no longer active in the system.
  Configuration Issues: There may be issues with the configuration of the classification system.
  
  Solutions:
  
  Verify Class Key: Check the class key you are using for any typos or errors. Ensure that it is the correct key for the class you are trying to access.
  Check Class Existence: Use transaction code CL02 (Change Class) or CL03 (Display Class) to verify if the class exists in the system. If it does not exist, you may need to create it using CL01 (Create Class).
  Review Authorizations: Ensure that the user has the necessary authorizations to access the classification data. This may involve checking roles and permissions in the user profile.
  Check for Deletion: If the class was recently deleted, you may need to restore it or create a new class with the required attributes.
  Consult Configuration: If there are configuration issues, consult with your SAP Basis or configuration team to ensure that the classification system is set up correctly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01, CL02, CL03, and CL24 (for class hierarchy).
  SAP Notes: Check SAP Notes for any known issues or patches related to classification errors.
  Documentation: Review SAP documentation on classification and object management for further insights into how classes are structured and managed.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional assistance.