FreeMarker template error!

Expression hotGameSet is undefined on line 25, column 22 in game/index.ftl.
The problematic instruction:
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==> if hotGameSet?size%6!=0 [on line 25, column 17 in game/index.ftl]
in user-directive compress [on line 22, column 1 in macro/macro.ftl]
in user-directive fullpage [on line 142, column 1 in macro/macro.ftl]
in user-directive innerpage [on line 192, column 1 in macro/macro.ftl]
in user-directive mac.newspage [on line 1, column 1 in game/index.ftl]
----------
Java backtrace for programmers:
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freemarker.core.InvalidReferenceException: Expression hotGameSet is undefined on line 25, column 22 in game/index.ftl.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134)
at freemarker.core.BuiltIn$sizeBI._getAsTemplateModel(BuiltIn.java:637)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.ArithmeticExpression._getAsTemplateModel(ArithmeticExpression.java:83)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:111)
at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:77)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Environment.visit(Environment.java:395)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:93)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Environment.visit(Environment.java:395)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:93)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Environment.visit(Environment.java:395)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:93)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Environment.visit(Environment.java:299)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:130)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Macro$Context.runMacro(Macro.java:172)
at freemarker.core.Environment.visit(Environment.java:603)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Macro$Context.runMacro(Macro.java:172)
at freemarker.core.Environment.visit(Environment.java:603)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Macro$Context.runMacro(Macro.java:172)
at freemarker.core.Environment.visit(Environment.java:603)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.Environment.process(Environment.java:190)
at freemarker.template.Template.process(Template.java:237)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:366)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:283)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:233)
at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1047)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:817)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.sguu.filter.FreemarkerFilter.doFilter(FreemarkerFilter.java:67)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:396)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)