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.

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 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