Message type: E = Error
Message class:  VHUMI - Messages for material identification 
Message number: 061
Message text: HU assigned in current call. Deletion of assignment not possible
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The SAP error message VHUMI061 indicates that a Handling Unit (HU) is currently assigned in the system, and therefore, it cannot be deleted or unassigned in the current context. This error typically arises when you attempt to delete or modify a Handling Unit that is still linked to a process or transaction. Causes: Active Assignments: The Handling Unit is still assigned to a delivery, shipment, or another process. Open Transactions: There may be open transactions or processes that are using the Handling Unit. System Locks: The system may have locks on the Handling Unit due to ongoing processes. Incorrect Process Flow: The attempt to delete the HU may not follow the correct sequence of operations as defined in the SAP system. Solutions: Check Assignments: Verify if the Handling Unit is assigned to any open deliveries, shipments, or other processes. You can do this by checking the relevant transaction codes (e.g., VL03N for deliveries). Complete Transactions: If the HU
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