How To Fix CNVMBT230 - Subproject &1 is already existing at destination &2

CNVMBT230 - Overview

• Message type: E = Error

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

• Message number: 230

• Message text: Subproject &1 is already existing at destination &2

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.

CNVMBT230 - Details

• The SAP error message CNVMBT230 indicates that there is a conflict during a data migration or transfer process, specifically stating that a subproject already exists at the destination. This error typically arises in the context of using SAP's Migration Cockpit or other data migration tools when trying to import or transfer data that includes subprojects.
  
  Cause:
  The error occurs when:
  
  You are attempting to create or import a subproject that has the same identifier or name as an existing subproject in the target system.
  There may be a mismatch in the data being transferred, leading to duplication.
  The migration process is not correctly handling existing entries in the destination system.
  
  
  Solution:
  To resolve the CNVMBT230 error, you can take the following steps:
  
  
  Check Existing Subprojects: 
  
  Verify if the subproject you are trying to import already exists in the destination system. You can do this by navigating to the relevant module in SAP and checking the list of subprojects.
  
  
  
  Rename