How To Fix V1309 - Item & cannot be assigned to a delivery group

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 309

• Message text: Item & cannot be assigned to a delivery group

What causes this issue?

You either attempted to assign item &V1& to delivery group &V2&, or
your customer requested a complete delivery. The assignment is not
possible because item &V1& contains more than one order quantity.

How to fix this error?

Delete either the delivery group or the complete delivery indicator and
verify on the schedule lines overview screen that there is only one
order quantity for the item.

Error message extract from SAP system. Copyright SAP SE.