How To Fix MODEL034 - Standard classes with contradictory restrictions

MODEL034 - Overview

• Message type: E = Error

• Message class: MODEL - Modeling

• Message number: 034

• Message text: Standard classes with contradictory restrictions

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 MODEL034 - Standard classes with contradictory restrictions ?

  The SAP error message MODEL034 indicates that there are standard classes in your system that have contradictory restrictions. This typically occurs in the context of the SAP classification system, where classes and characteristics are defined for materials or other objects, and the restrictions applied to these classes may conflict with one another.
  
  Cause:
  The error arises when:
  
  Two or more classes have been defined with restrictions that cannot coexist. For example, if one class requires a certain characteristic to be mandatory while another class allows it to be optional, this can lead to contradictions.
  The configuration of the classification system has inconsistencies, such as overlapping characteristics or conflicting rules.
  
  
  Solution:
  To resolve the MODEL034 error, you can follow these steps:
  
  
  Identify the Classes: Determine which classes are causing the conflict. You can do this by reviewing the classification settings in the SAP system.
  
  
  Review Restrictions: Check the restrictions applied to each class. Look for characteristics that are defined