Message type: E = Error
Message class:  CNV_MBT - PCL message class 
Message number: 358
Message text: The finish flag has been set for Activity &1.
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.
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The SAP error message CNV_MBT358, which states "The finish flag has been set for Activity &1," typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that a specific activity in the migration process has been marked as finished, and therefore, no further actions can be taken on it.
Cause: Activity Completion: The most common cause of this error is that the migration activity you are trying to execute has already been completed or marked as finished. This could happen if the activity was previously processed successfully or if it was inadvertently marked as finished by a user. Process Flow: The migration process may have a defined sequence, and attempting to re-run or modify an activity that has been completed can trigger this error. User Permissions: In some cases, user permissions or roles may restrict the ability to modify
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