How To Fix DMU138 - Class type &1 does not support configured objects

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 138

• Message text: Class type &1 does not support configured objects

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU138 - Class type &1 does not support configured objects ?

  The SAP error message DMU138, which states "Class type &1 does not support configured objects," typically occurs in the context of SAP's classification system, particularly when dealing with configurable materials or objects. This error indicates that the class type you are trying to use does not support the configuration of objects, which is necessary for certain functionalities in SAP.
  Cause:
  
  Incorrect Class Type: The class type you are trying to use is not set up to handle configurable objects. In SAP, class types are defined with specific characteristics, and not all class types support configuration.
  Configuration Settings: The configuration settings for the class type may not be properly defined or may not include the necessary settings to support configurable objects.
  Object Type Mismatch: The object you are trying to classify may not be compatible with the class type you are using.
  
  Solution:
  
  
  Check Class Type Configuration:
  
  Go to transaction code CL02 (Change Class) or CL03 (Display Class) to check the configuration of the class type.
  Ensure that the class type you are using is indeed designed to support configurable objects. Class types that support configuration typically have specific settings enabled.
  
  
  
  Use a Different Class Type:
  
  If the current class type does not support configurable objects, consider using a different class type that is designed for this purpose. You may need to create a new class type if necessary.
  
  
  
  Review Object Configuration:
  
  Ensure that the object you are trying to classify is compatible with the class type. If it is a configurable material, make sure it is set up correctly in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to class types and configurable objects to understand the requirements and limitations.
  
  
  
  Check Authorizations:
  
  Ensure that you have the necessary authorizations to create or modify classes and their configurations.
  
  
  
  Related Information:
  
  Class Types: In SAP, class types are defined in the system and determine how objects are classified. Common class types include class type 001 (Material), class type 002 (Characteristic), etc.
  Configurable Materials: Configurable materials are materials that can be customized based on specific characteristics. They are often used in industries where products are made to order.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing class types and their configurations.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error message.