The following error occurred at startup:
Unable to start OpenMRS. Error thrown was: Should not be here because updates were run previously

org.openmrs.module.ModuleException: Unable to start OpenMRS. Error thrown was: Should not be here because updates were run previously
	at org.openmrs.web.WebDaemon.startOpenmrs(WebDaemon.java:68)
	at org.openmrs.web.Listener.contextInitialized(Listener.java:148)
	at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:540)
	at org.mortbay.jetty.servlet.Context.startContext(Context.java:135)
	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1220)
	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:510)
	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
	at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart(Jetty6PluginWebAppContext.java:110)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.plugin.AbstractJettyRunMojo$1.filesChanged(AbstractJettyRunMojo.java:409)
	at org.mortbay.util.Scanner.reportBulkChanges(Scanner.java:493)
	at org.mortbay.util.Scanner.reportDifferences(Scanner.java:359)
	at org.mortbay.util.Scanner.scan(Scanner.java:286)
	at org.mortbay.util.Scanner$1.run(Scanner.java:246)
	at java.util.TimerThread.mainLoop(Timer.java:534)
	at java.util.TimerThread.run(Timer.java:484)
Caused by: javax.servlet.ServletException: Should not be here because updates were run previously
	at org.openmrs.web.Listener.startOpenmrs(Listener.java:197)
	at org.openmrs.web.WebDaemon$1.run(WebDaemon.java:46)
Caused by: org.openmrs.util.DatabaseUpdateException: There was an error while updating the database to the latest. file: liquibase-update-to-latest.xml. Error: Migration failed for change set liquibase-update-to-latest.xml::201312271827-TRUNK-4156::vinay:
     Reason:
          liquibase-update-to-latest.xml : Empty result set, expected one row
:
          Caused By: Precondition Error
	at org.openmrs.util.DatabaseUpdater.executeChangelog(DatabaseUpdater.java:155)
	at org.openmrs.util.DatabaseUpdater.executeChangelog(DatabaseUpdater.java:115)
	at org.openmrs.util.DatabaseUpdater.executeChangelog(DatabaseUpdater.java:98)
	at org.openmrs.api.context.Context.checkForDatabaseUpdates(Context.java:1116)
	at org.openmrs.api.context.Context.startup(Context.java:827)
	at org.openmrs.web.Listener.startOpenmrs(Listener.java:194)
	... 1 more
Caused by: liquibase.exception.MigrationFailedException: Migration failed for change set liquibase-update-to-latest.xml::201312271827-TRUNK-4156::vinay:
     Reason:
          liquibase-update-to-latest.xml : Empty result set, expected one row
:
          Caused By: Precondition Error
	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:285)
	at liquibase.changelog.visitor.UpdateVisitor.visit(UpdateVisitor.java:27)
	at org.openmrs.util.DatabaseUpdater$1OpenmrsUpdateVisitor.visit(DatabaseUpdater.java:202)
	at liquibase.changelog.ChangeLogIterator.run(ChangeLogIterator.java:58)
	at org.openmrs.util.DatabaseUpdater.executeChangelog(DatabaseUpdater.java:231)
	at org.openmrs.util.DatabaseUpdater.executeChangelog(DatabaseUpdater.java:167)
	at org.openmrs.util.DatabaseUpdater.executeChangelog(DatabaseUpdater.java:152)
	... 6 more
Caused by: liquibase.exception.PreconditionErrorException: Precondition Error
	at liquibase.precondition.core.SqlPrecondition.check(SqlPrecondition.java:55)
	at liquibase.precondition.core.NotPrecondition.check(NotPrecondition.java:30)
	at liquibase.precondition.core.AndPrecondition.check(AndPrecondition.java:34)
	at liquibase.precondition.core.PreconditionContainer.check(PreconditionContainer.java:199)
	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:249)
	... 12 more


See the server log for full output.