How To Fix CNV_MBT306 - Phase &1 is not defined in package &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 306

• Message text: Phase &1 is not defined in package &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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT306 - Phase &1 is not defined in package &2 ?

  The SAP error message CNV_MBT306 indicates that a specific phase is not defined in the package during a data migration or conversion process. This error typically arises in the context of SAP's Migration Cockpit or during the execution of a migration project using the SAP S/4HANA Migration tools.
  Cause:
  The error occurs when:
  
  The migration package you are using does not have the specified phase defined.
  There may be a configuration issue or a missing component in the migration package.
  The migration package might be incomplete or not properly activated.
  There could be a version mismatch between the migration tools and the SAP system.
  
  Solution:
  To resolve the CNV_MBT306 error, you can take the following steps:
  
  
  Check Package Configuration:
  
  Verify that the migration package you are using is correctly configured and that all necessary phases are defined.
  Ensure that the package is activated and that all required components are installed.
  
  
  
  Review Migration Documentation:
  
  Consult the official SAP documentation for the specific migration package you are using. This documentation often includes details about the phases and their configurations.
  
  
  
  Update or Reinstall Migration Tools:
  
  If there is a version mismatch, consider updating the migration tools or reinstalling them to ensure compatibility with your SAP system.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches related to the migration package you are using. SAP frequently releases updates that may resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs to help diagnose the issue.
  
  
  
  Related Information:
  
  Migration Cockpit: This is a tool provided by SAP for data migration to S/4HANA. Understanding how to use it effectively can help avoid such errors.
  SAP Notes: Regularly check the SAP Support Portal for notes related to migration packages and tools, as they can provide critical updates and fixes.
  Community Forums: Engaging with the SAP Community can also provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the CNV_MBT306 error and implement a solution to resolve it.