The following has evaluated to null or missing:
==> showPriceCodeField  [in template "legacy/proxy/error.html" at line 13, column 55]

----
Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
	- Failed at: title = (type.restricted && !accessCo...  [in template "legacy/proxy/error.html" at line 13, column 5]
----

Java stack trace (for programmers):
----
freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
	at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134)
	at freemarker.core.UnexpectedTypeException.newDescriptionBuilder(UnexpectedTypeException.java:85)
	at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:48)
	at freemarker.core.NonBooleanException.<init>(NonBooleanException.java:47)
	at freemarker.core.Expression.modelToBoolean(Expression.java:195)
	at freemarker.core.Expression.evalToBoolean(Expression.java:178)
	at freemarker.core.Expression.evalToBoolean(Expression.java:163)
	at freemarker.core.NotExpression.evalToBoolean(NotExpression.java:34)
	at freemarker.core.AndExpression.evalToBoolean(AndExpression.java:36)
	at freemarker.core.ParentheticalExpression.evalToBoolean(ParentheticalExpression.java:35)
	at freemarker.core.BuiltInsWithLazyConditionals$then_BI._eval(BuiltInsWithLazyConditionals.java:40)
	at freemarker.core.Expression.eval(Expression.java:101)
	at freemarker.core.Assignment.accept(Assignment.java:134)
	at freemarker.core.Environment.visit(Environment.java:344)
	at freemarker.core.Environment.visit(Environment.java:350)
	at freemarker.core.Environment.visit(Environment.java:350)
	at freemarker.core.Environment.process(Environment.java:323)
	at freemarker.template.Template.process(Template.java:383)
	at org.restlet.ext.freemarker.TemplateRepresentation.write(TemplateRepresentation.java:315)
	at org.restlet.representation.CharacterRepresentation.write(CharacterRepresentation.java:67)
	at org.restlet.engine.adapter.ServerCall.writeResponseBody(ServerCall.java:509)
	at org.restlet.engine.adapter.ServerCall.sendResponse(ServerCall.java:453)
	at org.restlet.ext.servlet.internal.ServletCall.sendResponse(ServletCall.java:421)
	at org.restlet.engine.adapter.ServerAdapter.commit(ServerAdapter.java:191)
	at org.restlet.engine.adapter.HttpServerHelper.handle(HttpServerHelper.java:144)
	at org.restlet.ext.servlet.ServerServlet.service(ServerServlet.java:1117)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:290)
	at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:280)
	at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:184)
	at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:89)
	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
	at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:121)
	at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:133)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:761)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:396)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1793)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.lang.Thread.run(Thread.java:750)