How To Fix Q3101 - The class is invalid

Q3101 - Overview

• Message type: E = Error

• Message class: Q3 - QM Master Data Messages: Catalogs

• Message number: 101

• Message text: The class is invalid

What causes this issue?

The class you selected is invalid.

System Response

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

How to fix this error?

Check the definition of the class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message Q3101 - The class is invalid ?

  The SAP error message Q3101, which states "The class is invalid," typically occurs in the context of Quality Management (QM) when there is an issue with the classification of a material or a characteristic. This error can arise due to various reasons, such as incorrect configuration, missing master data, or issues with the classification system.
  Causes of Error Q3101
  
  Invalid Class Assignment: The class assigned to a material or characteristic may not exist or may have been deleted.
  Incorrect Configuration: The classification system may not be properly configured, leading to inconsistencies.
  Missing Master Data: The required master data for the class may be missing or incomplete.
  Authorization Issues: The user may not have the necessary authorizations to access the class or its associated data.
  Transport Issues: If the class was transported from another system, there may have been issues during the transport process.
  
  Solutions to Error Q3101
  
  
  Check Class Existence:
  
  Go to the classification view in SAP (Transaction CL02)