如题，报错截图如图，详细信息如下：
发生时间：10:46:57
错误来源： Kingdee.BOS.Workflow.PlugIns
错误信息：Object reference not set to an instance of an object.
===================================================
调用堆栈：
at Kingdee.BOS.Workflow.PlugIns.ProcTemplate.ProcTemplateVerManagePlugIn.GetDefaultConfigByFormMeta(String layoutId)
at Kingdee.BOS.Workflow.PlugIns.ProcTemplate.ProcTemplateVerManagePlugIn.SetConfig(String activityId)
at Kingdee.BOS.Workflow.PlugIns.ProcTemplate.ProcTemplateVerManagePlugIn.TreeNodeClick(TreeNodeArgs e)
at Kingdee.BOS.Core.DynamicForm.PlugIn.DynamicFormViewPlugInProxy.FireTreeNodeClick(TreeNodeArgs e)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.TreeNodeClick(String key, String selectNodeId, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal
推荐阅读