How To Fix STEP408 - Class &1: Class type undefined due to missing classification. Set: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 408

• Message text: Class &1: Class type undefined due to missing classification. Set: &2

What causes this issue?

The class does not contain any classified objects. Therefore, no class
categories can be determined from the STEP file.

System Response

A default value is set.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message STEP408 - Class &1: Class type undefined due to missing classification. Set: &2 ?

  The SAP error message "STEP408 Class &1: Class type undefined due to missing classification. Set: &2" typically occurs in the context of classification in SAP, particularly when dealing with material master data or other objects that utilize classification systems.
  
  Cause:
  
  Missing Class Type: The error indicates that the system is trying to access a class type (in this case, &1) that has not been defined or is not available in the system. This can happen if the class type has been deleted or if it was never created.
  Missing Classification Set: The classification set (&2) that is supposed to be associated with the class type is also missing or not properly configured.
  
  Configuration Issues: There may be issues in the configuration of the classification system, such as incorrect settings in the Customizing (SPRO) for the classification system.
  
  
  Solution:
  
  
  Check Class Type Definition:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Logistics General > Material Master >