采购退料单新增提示"Object reference not set to an instance of an ..

[{"operation":"PUR_MRB.LoadData"}]
发生时间：18:00:55
错误来源： Kingdee.K3.SCM.Purchase.Business.PlugIn
错误信息：Object reference not set to an instance of an object.
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调用堆栈：
at Kingdee.K3.SCM.Purchase.Business.PlugIn.PurchaseReturnEdit.LSCGSetReplenishMode()
at Kingdee.K3.SCM.Purchase.Business.PlugIn.PurchaseReturnEdit.AfterCreateModelData(EventArgs e)
at Kingdee.BOS.Core.DynamicForm.PlugIn.DynamicFormViewPlugInProxy.FireAfterCreateModelData(EventArgs e)
at Kingdee.BOS.Web.Bill.BillView.CreateNewModelData()
at Kingdee.BOS.Web.Bill.BillView.LoadData()
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.LoadData()
错误数据： System.Collections.ListDictionaryInternal

软件版本K3Cloud V6.0 求教大神~~