How To Fix CNV_MBT307 - Activity &1 is not defined

CNV_MBT307 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 307

• Message text: Activity &1 is not defined

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.

CNV_MBT307 - Details

• The SAP error message CNV_MBT307 with the description "Activity &1 is not defined" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is trying to reference an activity that has not been defined or is not available in the current context.
  Causes:
  
  Missing Configuration: The activity referenced in the error message may not have been configured or defined in the system.
  Incorrect Customization: If you are using a custom migration project, the activity might not have been included in the project setup.
  Version Mismatch: The error could arise if there is a mismatch between the version of the migration tool and the data model being used.
  Transport Issues: If the activity was supposed to be transported from another system and the transport did not occur successfully, it may not be available.
  
  Solutions:
  
  Check Activity Definition: Verify that the