How To Fix CNV_MBT146 - Insert action requires the activity ID and the new activity ID

CNV_MBT146 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 146

• Message text: Insert action requires the activity ID and the new activity ID

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_MBT146 - Details

• The SAP error message CNV_MBT146 typically occurs during data migration or transformation processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that an insert action is being attempted without the necessary parameters, specifically the activity ID and the new activity ID.
  
  Cause:
  The error is caused by a missing or improperly configured activity ID or new activity ID in the migration process. This can happen due to:
  
  Incomplete Configuration: The migration or transformation process may not have been fully configured, leading to missing parameters.
  Data Mapping Issues: There may be issues in the mapping of data from the source system to the target system, resulting in missing identifiers.
  Custom Code or Enhancements: If there are custom enhancements or modifications in the migration process, they may not be handling the activity IDs correctly.
  
  
  Solution:
  To resolve the CNV_MBT146 error, you can take the following steps:
  
  
  Check Configuration: Ensure that all necessary configurations for