Epicor添加明细提示报错

System.Data.ConstraintException
  HResult=0x8013192A
  Message=Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

Table: JobProd
Company='901' JobNum='002605' PartNum='W550300003' OrderNum='0' OrderLine='0' OrderRelNum='0' WarehouseCode='' TargetJobNum='' TargetAssemblySeq='0' TargetMtlSeq='0' AttributeSetID='0' SysRowID='00000000-0000-0000-0000-000000000000': 
ForeignKeyConstraint PartProd requires the child key values (901, 002605, W550300003, 0) to exist in the parent table.
  Source=Epicor.ServiceModel
  StackTrace:
   在 Ice.DatasetAdapter.CopyTSTableToDataTable[TIceRow,TDataTable](IceTable`1 sourceTSTable, TDataTable destinationTable)
   在 Ice.DatasetAdapter.Copy(IceTableset sourceTableset, DataSet destinationDataset)
   在 Ice.Cloud.RpcSerializer.DeserializeDataSetFromTableset(Type tablesetType, Object initialValue, Boolean useSparseCopy, Stream stream)
   在 Ice.Cloud.RestRpcValueSerializer.Deserialize(ProxyValueOutInfo valueOut, Boolean isMethodReturn, Stream stream)
   在 Ice.Cloud.RestRpcValueSerializer.Deserialize(ProxyValuesOut valuesOut, Stream stream)
   在 Epicor.ServiceModel.Channels.ImplBase.DeserializeContent(RestRpcValueSerializer serializer, ProxyValuesOut valuesOut, HttpContent content)
   在 Epicor.ServiceModel.Channels.ImplBase.CallWithMultistepBpmHandling(String methodName, ProxyValuesIn valuesIn, ProxyValuesOut valuesOut, Boolean useSparseCopy)
   在 Epicor.ServiceModel.Channels.ImplBase.Call(String methodName, ProxyValuesIn valuesIn, ProxyValuesOut valuesOut, Boolean useSparseCopy)
   在 Erp.Proxy.BO.JobEntryImpl.GetNewJobProd(JobEntryDataSet ds, String jobNum, String partNum, Int32 orderNum, Int32 orderLine, Int32 orderRelNum, String warehouseCode, String targetJobNum, Int32 targetAssemblySeq, Int32 targetMtlSeq)
   在 EpicorProvider.Controllers.JobController.<BatchImport>d__11.MoveNext() 在 D:\Project\epicorprovider\EpicorProvider\Controllers\JobController.cs 中: 第 951 行

  此异常最初是在此调用堆栈中引发的: 
    System.Data.DataSet.FailedEnableConstraints()
    System.Data.DataSet.EnableConstraints()
    System.Data.DataSet.EnforceConstraints.set(bool)
    System.Data.DataTable.EndLoadData()
    Ice.DatasetAdapter.CopyTSTableToDataTable<TIceRow, TDataTable>(Ice.IceTable<TIceRow>, TDataTable)

内部异常 1:
ConstraintException: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.