Message type: E = Error
Message class:  CNV_20400_CHECK - Messages for check functions (controlling area merge) 
Message number: 016
Message text: Objects with no company code connection found
An Object was considered by this check because of the connection to the
Controlling Area, but the corresponding Company Code connection in the
object could not be determined.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20400_CHECK016 indicates that there are objects in the system that do not have a valid connection to a company code. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
Cause: The error is usually caused by one of the following reasons: Missing Company Code Assignment: The objects (like accounts, cost centers, etc.) that are being processed do not have an associated company code. This can happen if the objects were created without specifying a company code or if the company code was deleted or not properly configured. Data Migration Issues: During data migration, if the mapping of objects to company codes is not done correctly, it can lead to this error. Configuration Errors: Incorrect configuration in the system can lead to objects being created without the necessary company code linkage.
Solution: To resolve the error, you can take the
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