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You must first upgrade to Liferay Portal 7002
java.lang.RuntimeException: You must first upgrade to Liferay Portal 7002	at com.liferay.portal.tools.DBUpgrader.checkRequiredBuildNumber(DBUpgrader.java:86)	at com.liferay.portal.events.StartupAction.doRun(StartupAction.java:190)	at com.liferay.portal.events.StartupAction.run(StartupAction.java:85)	at com.liferay.portal.servlet.MainServlet.processStartupEvents(MainServlet.java:1290)	at com.liferay.portal.servlet.MainServlet.init(MainServlet.java:234)	at javax.servlet.GenericServlet.init(GenericServlet.java:158)	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1238)	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1151)	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1038)	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4997)	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5289)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)	at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:585)	at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1794)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)