How To Fix STEP821 - Create CLS: Class type not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 821

• Message text: Create CLS: Class type not defined

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message STEP821 - Create CLS: Class type not defined ?

  The SAP error message "STEP821 Create CLS: Class type not defined" typically occurs when there is an issue with the classification system in SAP, particularly when trying to create a class in the classification view. This error indicates that the system cannot find a definition for the class type you are trying to create.
  Cause:
  
  Missing Class Type Definition: The class type you are trying to use has not been defined in the system. Class types are defined in the classification system and are necessary for creating classes.
  Incorrect Configuration: There may be a configuration issue where the class type is not properly set up or activated in the system.
  Authorization Issues: The user may not have the necessary authorizations to create or manage class types.
  
  Solution:
  
  
  Check Class Type Definition:
  
  Go to transaction code CL02 (Change Class) or CL01 (Create Class).
  Check if the class type you are trying to use exists. If it does not, you will need to create it using transaction code CL01.
  Ensure that the class type is correctly defined with the necessary attributes.
  
  
  
  Create or Modify Class Type:
  
  If the class type is missing, create it by navigating to CL01 and entering the required details.
  Make sure to define the class type with the appropriate characteristics and settings.
  
  
  
  Check Configuration:
  
  Ensure that the classification system is properly configured. You can check the configuration settings in the SPRO transaction under "Logistics General" -> "Material Master" -> "Basic Settings" -> "Define Class Types".
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to create or modify class types. This can be checked in transaction SU53 or by consulting with your SAP security team.
  
  
  
  Transport Issues:
  
  If the class type was recently transported from another system, ensure that the transport was successful and that all necessary objects were included.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  SPRO: Access to the SAP Customizing Implementation Guide (IMG)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on classification and class types.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.