How To Fix /SAPAPO/MC01042 - Class & contains no characteristics (assign at least one characteristic)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 042

• Message text: Class & contains no characteristics (assign at least one characteristic)

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MC01042 - Class & contains no characteristics (assign at least one characteristic) ?

  The SAP error message /SAPAPO/MC01042 Class & contains no characteristics (assign at least one characteristic) typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to create or modify a class in the system, but the class does not have any characteristics assigned to it. This can happen in various scenarios, such as when working with product master data, class assignments, or during planning activities.
  Cause:
  The error is caused by the fact that the class you are trying to use does not have any characteristics defined. In SAP, classes are used to group similar objects, and characteristics are attributes that define the properties of those objects. If a class is empty (i.e., it has no characteristics), it cannot be used effectively in planning or other processes.
  Solution:
  To resolve this error, you need to assign at least one characteristic to the class in question. Here are the steps to do this:
  
  
  Access the Class Maintenance Transaction:
  
  Go to transaction code CL02 (Change Class) or CL01 (Create Class) in the SAP GUI.
  
  
  
  Enter the Class Name:
  
  Input the name of the class that is causing the error and press Enter.
  
  
  
  Add Characteristics:
  
  Navigate to the "Characteristics" tab.
  Click on the "Insert" button to add characteristics to the class.
  You can either create new characteristics or assign existing ones.
  
  
  
  Save Changes:
  
  After adding the necessary characteristics, save your changes.
  
  
  
  Re-attempt the Operation:
  
  Go back to the process that triggered the error and try again.
  
  
  
  Related Information:
  
  Characteristics: These are attributes that define the properties of the objects in the class. Examples include size, color, weight, etc.
  Classes in SAP: Classes are used in various SAP modules, including Material Management (MM) and Production Planning (PP), to categorize materials, products, or other objects.
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  
  
  Documentation: Refer to SAP Help documentation for more details on class and characteristic management in SAP APO.
  
  By ensuring that your class has at least one characteristic assigned, you should be able to resolve the error and proceed with your tasks in SAP APO.