SAP Message V2114 - You cannot set item to status '&1' as it has not been completely billed

Diagnosis
Item <(>&<)>V2<(>&<)> cannot be given status <(>&<)>V1<(>&<)>. Thesystem has determined that quantity <(>&<)>V3<(>&<)> remains to bebilled.

System Response
The system does not allow you to set status <(>&<)>V1<(>&<)>.

Procedure
Bill the item completely, or complete it by entering a reason forrejection.