请问套打的模板,只在原来的模板上改动了一点点,设置一个左父格就报如下错误是什么原因呢?需要怎么设置的呢?java.lang.NullPointerException at com.fr.form.ui.ToolBar.createJSONComponents(Unknown Source) at com.fr.form.ui.ToolBar.createJSONConfig(Unknown Source) at com.fr.report.web.ToolBarManager.toJSONConfig(Unknown Source) at com.fr.web.core.ReportWebUtils.dealWithToolbar(Unknown Source) at com.fr.web.core.ReportWebUtils.policyMap4Tpl(Unknown Source) at com.fr.web.core.ReportWebUtils.context4PolicyPaneTpl(Unknown Source) at com.fr.web.core.ReportWebUtils.context4PolicyPaneTpl(Unknown Source) at com.fr.web.core.ReportWebUtils.context4PageTpl(Unknown Source) at com.fr.stable.AbstractActor.createContext4Tpl(Unknown Source) at com.fr.web.core.reserve.ReportletDealWith.dealWithHtml(Unknown Source) at com.fr.web.core.reserve.ReportletDealWith.dealWithPageHtml(Unknown Source) at com.fr.web.core.reserve.ReportletDealWith.dealWithReportlet(Unknown Source) at com.fr.web.core.Reportlet.dealWeblet(Unknown Source) at com.fr.web.core.ReportDispatcher.dealWeblet(Unknown Source) at com.fr.web.core.ReportDispatcher.dealWithRequest(Unknown Source) at com.fr.web.BaseServlet.doGet(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)