Message type: E = Error
Message class: O8 - IS-Oil: TD Transportation and Distribution
Message number: 402
Message text: Transport Unit & has already been assigned to this vehicle
The transport unit has been assigned twice to the same vehicle.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Delete one of the assignments.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message O8402 indicates that a transport unit (TU) has already been assigned to a vehicle, which means that the system is preventing you from assigning the same transport unit to another vehicle. This is a common issue in logistics and transportation management within SAP systems, particularly in modules like SAP Extended Warehouse Management (EWM) or SAP Transportation Management (TM).
Cause: Duplicate Assignment: The transport unit is already linked to a specific vehicle, and the system does not allow multiple assignments for the same transport unit to ensure data integrity and avoid confusion in logistics operations. Incorrect Data Entry: There may have been an error in data entry or an attempt to reassign a transport unit that is still in use. System Configuration: The system may be configured to prevent reassignments under certain conditions, such as when the transport unit is in transit or has not been completed.
Solution: Check Current Assignments: Verify the
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