How To Fix STEP404 - Mapping of class &1 failed. Superior class &2 as classification ID

STEP404 - Overview

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 404

• Message text: Mapping of class &1 failed. Superior class &2 as classification ID

What causes this issue?

The STEP definition in the classification environment is not unique. Due
to the data structure a superior class has not been interpreted as a
class but as a characteristic assignment instead. Therefore the subclass
can no longer be established in the SAP system.

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

System Response

The relevant subclass is ignored.

How to fix this error?

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 STEP404 - Mapping of class &1 failed. Superior class &2 as classification ID ?

  The SAP error message "STEP404 Mapping of class &1 failed. Superior class &2 as classification ID" typically occurs in the context of classification and object management in SAP, particularly when dealing with class hierarchies in the Classification System (CLM). This error indicates that there is an issue with the mapping of a class to its superior class, which is essential for maintaining the integrity of the classification structure.
  
  Cause:
  
  Incorrect Class Hierarchy: The class you are trying to map may not be correctly defined in relation to its superior class. This could be due to a missing or incorrectly configured superior class.
  Data Inconsistency: There may be inconsistencies in the classification data, such as missing entries or incorrect relationships between classes.
  Authorization Issues: The user may not have the necessary authorizations to perform the mapping or access the required classes.
  Technical Issues: There could be underlying technical issues, such as database inconsistencies or problems with