SAP Message VL375 - Status of the lowerl-level item &1 prohibits the requested change

Diagnosis
The item to change is the main item in a BOM. If changes are made to thedelivery quantity, the quantity of the dependent items is adjustedaccordingly (quantity correlation). In this case, this is not permitted,because there is an opentransfer order for itemV1.

System Response
The system rejects the requested change.

Procedure
Confirm the open transfer order before you continue processing thedelivery.