采购入库单新增时出错

cloud6.1采购入库单新增时出错提示： 无法将类型为“Kingdee.K3.SCM.App.IOS.Core.AppBusinessService.GetCustomerOrSupplier”的对象强制转换为类型“Kingdee.BOS.Core.DynamicForm.IFormBusinessSercice”。
[{"operation":"STK_InStock.LoadData"}]
发生时间：13:29:45
错误来源： Kingdee.BOS.Core
错误信息：无法将类型为“Kingdee.K3.SCM.App.IOS.Core.AppBusinessService.GetCustomerOrSupplier”的对象强制转换为类型“Kingdee.BOS.Core.DynamicForm.IFormBusinessSercice”。
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调用堆栈：
在 Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.b__1(String svcClass)
在 System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
在 Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.GetDefaultServiceInstance(FormBusinessService service)
在 Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.GetServiceInstances(IDynamicFormView view, IEnumerable`1 services, Int32 actionType, String activeEntity)
在 Kingdee.BOS.Core.DependencyRules.EntityRule.Execute(BOSActionExecuteContext context)
在 Kingdee.BOS.Core.DependencyRules.RuleContainer`6.Execute(C executeContext, TaskCollection tasks)
在 Kingdee.BOS.Core.DependencyRules.RuleContainer`6.Resume(C executeContext)
在 Kingdee.BOS.Core.DependencyRules.RuleContainer`6.Raise(S arg, C executeContext)
在 Kingdee.BOS.Core.DependencyRules.BOSRuleContainer.RaiseItemAdded(String entityKey, Object dataEntity, BOSActionExecuteContext executeContext)
在 Kingdee.BOS.Core.DynamicForm.ModelDataChangedHandle.Invoke(Object sender, ModelDataChangedEventArgs e)
在 Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormModel.CreateNewData(DynamicObject newObject)
在 Kingdee.BOS.Model.Bill.BillModel.CreateNewData(DynamicObject newObject)
在 Kingdee.BOS.Web.Bill.BillView.CreateNewModelData()
在 Kingdee.BOS.Web.Bill.BillView.LoadData()
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.LoadData()
错误数据： System.Collections.ListDictionaryInternal