How To Fix CNV20400209 - Table &1 is set to NOTUSE=' ' for the merge

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 209

• Message text: Table &1 is set to NOTUSE=' ' for the merge

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 CNV20400209 - Table &1 is set to NOTUSE=' ' for the merge ?

  The SAP error message CNV20400209 indicates that a specific table (denoted as &1 in the message) is set to NOTUSE=' ' during a merge operation in a data migration or conversion process. This typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
  Cause:
  The error arises when the system attempts to merge data from a source table into a target table, but the target table is marked as "not in use" (i.e., NOTUSE is set to a blank value). This means that the table is either not intended to be part of the merge process or is excluded from the data migration due to configuration settings.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table Configuration: 
  
  Review the configuration settings for the table in question. Ensure that the table is intended to be included in the merge process.
  If the table should be included, update the NOTUSE flag to allow its use in the merge.
  
  
  
  Review Migration Settings:
  
  Check the migration or conversion settings to ensure that the table is not inadvertently excluded. This may involve reviewing the mapping or transformation rules defined for the migration.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or prerequisites for including certain tables in the merge process.
  
  
  
  Data Consistency:
  
  Ensure that the data in the source table is consistent and meets the requirements for the target table. Sometimes, data inconsistencies can lead to tables being marked as not usable.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to SAP support for assistance. They can provide insights specific to your system configuration and the migration process you are using.
  
  
  
  Related Information:
  
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with the migration objects and their configurations.
  Data Migration Best Practices: Review best practices for data migration in SAP, including data cleansing, validation, and transformation.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to proceed with your data migration or conversion process.