How To Fix CNVMBT031 - Include &1 was changed in central system since creation of subproject

CNVMBT031 - Overview

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 031

• Message text: Include &1 was changed in central system since creation of subproject

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.

CNVMBT031 - Details

• The SAP error message CNVMBT031 indicates that an object (in this case, an include) has been modified in the central system after a subproject was created. This typically occurs in the context of SAP's Migration and Conversion tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  The error arises when there is a discrepancy between the central system and the subproject. Specifically, it means that the include file (&1) has been changed in the central system after the subproject was created, which can lead to inconsistencies or conflicts during the migration or conversion process.
  
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check for Changes: Review the changes made to the include in the central system. You can do this by checking the transport logs or version history to identify what modifications were made.
  
  
  Update the Subproject: If the changes in the central system are necessary and should be reflected