Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 156
Message text: No controlling areas are deleted
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The SAP error message CNV20551156, which states "No controlling areas are deleted," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is unable to delete controlling areas as part of the migration or conversion process.
Cause: Existing Dependencies: The controlling area may have existing dependencies, such as active cost centers, profit centers, or other related objects that prevent it from being deleted.
Configuration Issues: There may be configuration settings or authorizations that restrict the deletion of controlling areas. Data Integrity Constraints: The system may have integrity constraints that prevent the deletion of controlling areas that are still in use or referenced by other objects.
Solution: Check Dependencies: Review the controlling areas to identify any existing dependencies. Ensure that all related objects (like cost centers, internal orders, etc.) are either deleted or properly reassigned before attempting to delete the controlling area. Authorization
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