Message type: E = Error
Message class: CNV_MBT_IS - Message Class of Industry Solutions
Message number: 026
Message text: Activity &1 has already been executed successfully.
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The SAP error message CNV_MBT_IS026 indicates that a specific activity (denoted by &1) in the Migration or Conversion process has already been executed successfully. This message typically arises in the context of data migration projects, particularly when using SAP's Migration Cockpit or similar tools.
Cause: Duplicate Execution: The most common cause of this error is that the activity you are trying to execute has already been completed successfully in a previous run. The system prevents re-execution to avoid data inconsistencies or duplication. Incorrect Workflow: The sequence of activities may not be followed correctly, leading to attempts to re-run an already completed step. System State: The system might be in a state where it does not allow re-execution of certain activities due to dependencies or locks.
Solution: Check Activity Status: Verify the status of the activity in question. You can do this by navigating to the relevant transaction or report that shows the execution history of migration
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