How To Fix MODEL031 - Relation class and source class are in different areas

MODEL031 - Overview

• Message type: E = Error

• Message class: MODEL - Modeling

• Message number: 031

• Message text: Relation class and source class are in different areas

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MODEL031 - Relation class and source class are in different areas ?

  The SAP error message MODEL031 indicates that there is a mismatch between the relation class and the source class in the context of the data model. This typically occurs in the context of SAP's data modeling tools, such as when working with Business Object Processing Framework (BOPF) or similar modeling environments.
  
  Cause:
  The error arises when you attempt to create or modify a relationship between two classes that are defined in different areas or contexts. In SAP, classes can be organized into different areas, and relationships must be established between classes that are in the same area.
  
  Solution:
  To resolve the MODEL031 error, you can take the following steps:
  
  
  Check Class Areas: Verify the areas of both the relation class and the source class. Ensure that both classes are defined in the same area. You can do this by checking the class definitions in the relevant modeling tool.
  
  
  Adjust Class Definitions: If the classes are indeed