CNV400 - ****** 400 - 444 reserved for user lock and IMG *******

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 400

• Message text: ****** 400 - 444 reserved for user lock and IMG *******

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.

AnswerBot

• What is the cause and solution for SAP error message CNV400 - ****** 400 - 444 reserved for user lock and IMG ******* ?

  The SAP error message CNV400 with the specific codes ranging from 400 to 444 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. The error message indicates that there is a user lock or an issue with the configuration in the Implementation Guide (IMG).
  Cause:
  
  User Lock: The error may occur if a user is locked in the system, preventing the execution of certain transactions or processes.
  Configuration Issues: The error can also arise from incorrect or incomplete configuration settings in the IMG, which may lead to conflicts during the migration process.
  Data Consistency: There may be inconsistencies in the data being migrated, which can trigger this error.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the required actions.
  
  Solution:
  
  
  Check User Lock:
  
  Verify if the user account is locked. You can do this by checking the user status in transaction SU01.
  If the user is locked, unlock the user account.
  
  
  
  Review Configuration in IMG:
  
  Navigate to the Implementation Guide (IMG) and ensure that all necessary configurations are correctly set up.
  Check for any missing or incorrect entries that could be causing the issue.
  
  
  
  Data Validation:
  
  Validate the data being migrated to ensure that it meets the required formats and constraints.
  Use tools like the Data Migration Cockpit to check for any data inconsistencies.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the migration has the necessary authorizations. You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), SPRO (IMG), and SU53 (Authorization Check).
  Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the CNV400 error effectively.