How To Fix CNV_MBT164 - All selected addons are already locked

CNV_MBT164 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 164

• Message text: All selected addons are already locked

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_MBT164 - Details

• The SAP error message CNV_MBT164 indicates that all selected add-ons are already locked. This typically occurs during a system conversion or upgrade process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The error suggests that the system is trying to perform an operation on add-ons that are not available for modification because they are locked.
  
  Cause:
  
  Add-ons Already Locked: The add-ons you are trying to work with are already in a locked state, which means they cannot be modified or processed further.
  System Configuration: The system may have been configured in a way that prevents changes to certain add-ons during the migration or upgrade process.
  Previous Migration Steps: If previous migration steps were not completed successfully, it could lead to a situation where add-ons are left in a locked state.
  
  
  Solution:
  
  Check Lock Status: Use transaction code SM12 to check for any existing locks on the add-ons. If you find locks that are