Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 694
Message text: Generator was already executed, adjustments are not allowed any longer.
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The SAP error message CNV20551694 indicates that a generator process has already been executed in the context of a data migration or conversion project, and as a result, further adjustments or modifications are no longer permitted. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: Execution of Generator: The generator process has been run, which means that the initial data transformation or migration logic has been applied. Once this process is completed, the system locks the ability to make further adjustments to ensure data integrity and consistency. Data Locking Mechanism: SAP employs a locking mechanism to prevent changes to the migration settings or data once the generator has been executed. This is to avoid inconsistencies that could arise from modifying the migration logic after it has been applied.
Solution: Review Migration Steps: Check the migration steps you have taken. If
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