Expression leftPane is undefined on line 44, column 91 in map_three_column.ftl.
The problematic instruction:
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==> ${leftPane} [on line 44, column 89 in map_three_column.ftl]
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Java backtrace for programmers:
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freemarker.core.InvalidReferenceException: Expression leftPane is undefined on line 44, column 91 in map_three_column.ftl.
	at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
	at freemarker.core.Expression.getStringValue(Expression.java:118)
	at freemarker.core.Expression.getStringValue(Expression.java:93)
	at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
	at freemarker.core.Environment.visit(Environment.java:208)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:208)
	at freemarker.core.Environment.process(Environment.java:188)
	at freemarker.template.Template.process(Template.java:237)
	at org.restlet.ext.freemarker.TemplateRepresentation.write(TemplateRepresentation.java:112)
	at com.noelios.restlet.http.HttpServerCall.writeResponseBody(HttpServerCall.java:331)
	at com.noelios.restlet.http.HttpServerCall.sendResponse(HttpServerCall.java:305)
	at com.noelios.restlet.ext.jetty.JettyCall.sendResponse(JettyCall.java:220)
	at com.noelios.restlet.http.HttpServerConverter.commit(HttpServerConverter.java:90)
	at com.noelios.restlet.http.HttpServerHelper.handle(HttpServerHelper.java:95)
	at com.noelios.restlet.ext.jetty.JettyServerHelper$WrappedServer.handle(JettyServerHelper.java:232)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
	at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)