How To Fix STEP406 - Class &1 uses default class value &2

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 406

• Message text: Class &1 uses default class value &2

What causes this issue?

The specified class has several superior classes in the STEP file that
have been assigned different class types.
However, in the SAP system, all classes in a hierarchy have to have the
same class type.

System Response

The class type of the affected class has been reset to the default.
Therefore, not all superior class relationships are imported into the
SAP system.

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 STEP406 - Class &1 uses default class value &2 ?

  The SAP error message "STEP406 Class &1 uses default class value &2" typically occurs in the context of SAP Business Workflow or when dealing with class-based programming in ABAP. This message indicates that a certain class (denoted by &1) is using a default class value (denoted by &2) instead of a specific value that may have been expected or configured.
  Cause:
  
  Default Class Value: The class specified is not properly configured, and as a result, it defaults to a predefined value.
  Configuration Issues: There may be missing or incorrect configuration settings in the workflow or class definitions.
  Data Inconsistencies: The data being processed may not match the expected format or values, leading to the fallback to default values.
  Missing Customization: If the system is expected to use a custom class value but is not set up correctly, it will revert to the default.
  
  Solution:
  
  Check Class Configuration: Review the configuration of the class &1 to ensure that it is set up correctly. This includes checking any related settings in the SAP system.
  Review Workflow Settings: If this error occurs in a workflow context, check the workflow definition and ensure that all necessary parameters and values are correctly defined.
  Data Validation: Validate the data being processed to ensure it meets the expected criteria. This may involve checking input values or ensuring that the necessary data is available.
  Custom Class Implementation: If a custom class is expected, ensure that it is implemented and activated correctly in the system.
  Consult Documentation: Refer to SAP documentation or notes related to the specific class or workflow to understand any additional requirements or configurations that may be necessary.
  Debugging: If the issue persists, consider debugging the workflow or ABAP program to trace where the default value is being set and why the expected value is not being used.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like SWDD for workflow definition) that may help in troubleshooting the issue.
  ABAP Development: If you have access to ABAP development tools, you can analyze the code related to the class to identify any potential issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.