Sales Order - > Create Purchase Order
In the Create Purchase Order screen , click ‘Process ALL’
Error: Inserting 'Purchase Order' record raised at least one error. Please review the errors.
Error: 'Owner' cannot be empty.

at PX.Data.PXUIFieldAttribute.CommandPreparing(PXCache sender, PXCommandPreparingEventArgs e)
at PX.Data.PXCache.AttributeHandlersSquasher`1.<>c__DisplayClass2_0`1.<To>b__0(PXCache cache, TArgs args)
at PX.Data.PXCache.OnCommandPreparing(String name, Object row, Object value, PXDBOperation operation, Type table, FieldDescription& description)
at PX.Data.PXCache`1.PersistInserted(Object row, Boolean bypassInterceptor)
at PX.Data.PXCache`1.Persist(PXDBOperation operation)
at PX.Data.PXGraph.Persister.Persist(Type cacheType, PXDBOperation operation)
at PX.Data.PXGraph.PerformPersist(IPersistPerformer persister)
at PX.Data.PXGraph.TransactionalPersist()
at PX.Data.PXGraph.RetryTransaction(Action persistBody, Int32 maxRetries)
at PX.Data.PXGraph.Persist()
at PX.Objects.PO.POOrderEntry.Persist()
at PX.Objects.Extensions.ProcessAffectedEntitiesInPrimaryGraphBase`4.Persist(Action basePersist)
at PX.Objects.PO.GraphExtensions.POOrderEntryExt.PurchaseToSOLinksExt.Persist(Action baseMethod)
at PX.Objects.PO.POOrderEntryExternalTax.Persist(Action baseImpl)
at PX.Data.PXSave`1.<HandlerInternal>g__Persist|3_2()
at PX.Data.PXSave`1.<HandlerInternal>d__3.MoveNext()
at PX.Data.PXAction`1.<Press>d__39.MoveNext()
at PX.Data.PXAction`1.<Press>d__39.MoveNext()
at PX.Data.PXAction`1.PressImpl(Boolean internalCall, Boolean externalCall)
at PX.Objects.PO.POCreate_Extension.CreatePOOrders(List`1 list, Nullable`1 PurchDate, Boolean extSort, Nullable`1 branchID)