How To Fix IU406 - Inactive nametab or conversion control tables still contain entries

IU406 - Overview

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 406

• Message text: Inactive nametab or conversion control tables still contain entries

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 IU406 - Inactive nametab or conversion control tables still contain entries ?

  The SAP error message IU406, which states "Inactive nametab or conversion control tables still contain entries," typically occurs in the context of the SAP system when there are inconsistencies or issues with the name tables or conversion control tables. This can happen during various operations, such as data migration, system upgrades, or when trying to activate or deactivate certain functionalities.
  
  Cause:
  
  Inactive Name Tables: The error indicates that there are name tables that are not active, which means that the system cannot find the necessary mappings or conversions for the data being processed.
  Conversion Control Tables: These tables may still contain entries that are not valid or are not properly configured, leading to the error.
  Data Inconsistencies: There may be inconsistencies in the data that are causing the system to fail in processing the required operations.
  System 
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to this error.
  
  
  Solution:
  
  Activate Name Tables: Check the