Message type: E = Error
Message class:  OIJ_NOM - TSW - Nominaition message class 
Message number: 452
Message text: Transport unit &1 is already actualised
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The SAP error message OIJ_NOM452, which states "Transport unit &1 is already actualised," typically occurs in the context of the SAP Oil and Gas (OIJ) module when there is an attempt to perform an operation on a transport unit that has already been processed or updated in the system.
Cause: Duplicate Processing: The transport unit has already been actualized, meaning that the system has already recorded the necessary updates or transactions for that unit. Incorrect Workflow: The operation being attempted may not be appropriate for a transport unit that has already been finalized. Data Integrity Issues: There may be inconsistencies in the data or workflow that lead to the system believing the transport unit is still in a state that allows for further processing.
Solution: Check Status: Verify the status of the transport unit in question. If it is already actualized, you may need to review the previous transactions to understand what has been done. Avoid Duplicate
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