Exception occured while processing /tryit/practice
Message: java.lang.NullPointerException
	java.base/java.util.concurrent.ConcurrentHashMap.putVal(ConcurrentHashMap.java:1011)
	java.base/java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1006)
	net.liftweb.http.LiftSession.set(LiftSession.scala:1159)
	net.liftweb.http.SessionVar.setFunc(Vars.scala:96)
	net.liftweb.util.AnyVarTrait._setFunc(AnyVar.scala:111)
	net.liftweb.util.AnyVarTrait.apply(AnyVar.scala:231)
	net.liftweb.util.AnyVarTrait.apply$(AnyVar.scala:229)
	net.liftweb.util.AnyVar.apply(AnyVar.scala:91)
	net.liftweb.util.AnyVarTrait.$anonfun$is$2(AnyVar.scala:183)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.util.AnyVarTrait.$anonfun$is$1(AnyVar.scala:183)
	net.liftweb.http.SessionVar.doSync(Vars.scala:125)
	net.liftweb.util.AnyVarTrait.is(AnyVar.scala:178)
	net.liftweb.util.AnyVarTrait.is$(AnyVar.scala:177)
	net.liftweb.util.AnyVar.is(AnyVar.scala:91)
	com.automatatutor.snippet.Tryitsnippet.renderpractice(TryitSnippet.scala:58)
	java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:568)
	net.liftweb.util.ClassHelpers.$anonfun$_invokeMethod$8(ClassHelpers.scala:314)
	net.liftweb.common.Tryo.tryo(Tryo.scala:22)
	net.liftweb.common.Tryo.tryo$(Tryo.scala:20)
	net.liftweb.util.Helpers$.tryo(Helpers.scala:34)
	net.liftweb.common.Tryo.tryo(Tryo.scala:60)
	net.liftweb.common.Tryo.tryo$(Tryo.scala:60)
	net.liftweb.util.Helpers$.tryo(Helpers.scala:34)
	net.liftweb.util.ClassHelpers.$anonfun$_invokeMethod$7(ClassHelpers.scala:314)
	scala.collection.Iterator$$anon$10.next(Iterator.scala:461)
	scala.collection.Iterator.find(Iterator.scala:994)
	scala.collection.Iterator.find$(Iterator.scala:992)
	scala.collection.AbstractIterator.find(Iterator.scala:1431)
	net.liftweb.util.ClassHelpers._invokeMethod(ClassHelpers.scala:315)
	net.liftweb.util.ClassHelpers.invokeMethod(ClassHelpers.scala:253)
	net.liftweb.util.ClassHelpers.invokeMethod$(ClassHelpers.scala:252)
	net.liftweb.util.Helpers$.invokeMethod(Helpers.scala:34)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$36(LiftSession.scala:1786)
	net.liftweb.common.EmptyBox.openOr(Box.scala:910)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$25(LiftSession.scala:1783)
	net.liftweb.common.EmptyBox.openOr(Box.scala:910)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$23(LiftSession.scala:1696)
	net.liftweb.common.EmptyBox.openOr(Box.scala:910)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$20(LiftSession.scala:1694)
	net.liftweb.http.LiftSession.runWhitelist$1(LiftSession.scala:1681)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$19(LiftSession.scala:1692)
	net.liftweb.http.S.doSnippet(S.scala:2497)
	net.liftweb.http.S.doSnippet$(S.scala:2493)
	net.liftweb.http.S$.doSnippet(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$18(LiftSession.scala:1692)
	net.liftweb.http.NoOpSnippetTimer$.timeSnippet(SnippetTimer.scala:19)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$15(LiftSession.scala:1691)
	net.liftweb.common.Full.map(Box.scala:854)
	net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$$processSnippet(LiftSession.scala:1686)
	net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing$1.applyOrElse(LiftSession.scala:1975)
	net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing$1.applyOrElse(LiftSession.scala:1963)
	scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:38)
	net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:36)
	net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:82)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$8(LiftSession.scala:2269)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.withAttrs(S.scala:2241)
	net.liftweb.http.S.withAttrs$(S.scala:2234)
	net.liftweb.http.S$.withAttrs(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$7(LiftSession.scala:2264)
	net.liftweb.http.S.doSnippet(S.scala:2497)
	net.liftweb.http.S.doSnippet$(S.scala:2493)
	net.liftweb.http.S$.doSnippet(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$6(LiftSession.scala:2263)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.withCurrentSnippetNodeSeq(S.scala:2458)
	net.liftweb.http.S.withCurrentSnippetNodeSeq$(S.scala:2457)
	net.liftweb.http.S$.withCurrentSnippetNodeSeq(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$5(LiftSession.scala:2262)
	net.liftweb.http.LiftSession.processOrDefer(LiftSession.scala:2050)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$1(LiftSession.scala:2261)
	scala.collection.TraversableLike.$anonfun$flatMap$1(TraversableLike.scala:293)
	scala.collection.Iterator.foreach(Iterator.scala:943)
	scala.collection.Iterator.foreach$(Iterator.scala:943)
	scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
	scala.collection.IterableLike.foreach(IterableLike.scala:74)
	scala.collection.IterableLike.foreach$(IterableLike.scala:73)
	scala.collection.AbstractIterable.foreach(Iterable.scala:56)
	scala.collection.TraversableLike.flatMap(TraversableLike.scala:293)
	scala.collection.TraversableLike.flatMap$(TraversableLike.scala:290)
	scala.collection.AbstractTraversable.flatMap(Traversable.scala:108)
	net.liftweb.http.LiftSession.processSurroundAndInclude(LiftSession.scala:2244)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$1(LiftSession.scala:2285)
	scala.collection.TraversableLike.$anonfun$flatMap$1(TraversableLike.scala:293)
	scala.collection.Iterator.foreach(Iterator.scala:943)
	scala.collection.Iterator.foreach$(Iterator.scala:943)
	scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
	scala.collection.IterableLike.foreach(IterableLike.scala:74)
	scala.collection.IterableLike.foreach$(IterableLike.scala:73)
	scala.collection.AbstractIterable.foreach(Iterable.scala:56)
	scala.collection.TraversableLike.flatMap(TraversableLike.scala:293)
	scala.collection.TraversableLike.flatMap$(TraversableLike.scala:290)
	scala.collection.AbstractTraversable.flatMap(Traversable.scala:108)
	net.liftweb.http.LiftSession.processSurroundAndInclude(LiftSession.scala:2244)
	net.liftweb.builtin.snippet.Surround$.mainParam$lzycompute$1(Surround.scala:46)
	net.liftweb.builtin.snippet.Surround$.mainParam$1(Surround.scala:45)
	net.liftweb.builtin.snippet.Surround$.paramsMap$lzycompute$1(Surround.scala:48)
	net.liftweb.builtin.snippet.Surround$.paramsMap$1(Surround.scala:47)
	net.liftweb.builtin.snippet.Surround$.$anonfun$render$6(Surround.scala:51)
	net.liftweb.http.LiftSession.findAndMerge(LiftSession.scala:2682)
	net.liftweb.builtin.snippet.Surround$.$anonfun$render$4(Surround.scala:51)
	net.liftweb.util.AnyVarTrait.doWith(AnyVar.scala:278)
	net.liftweb.util.AnyVarTrait.doWith$(AnyVar.scala:274)
	net.liftweb.util.AnyVar.doWith(AnyVar.scala:91)
	net.liftweb.builtin.snippet.Surround$.$anonfun$render$2(Surround.scala:44)
	net.liftweb.common.Full.map(Box.scala:854)
	net.liftweb.builtin.snippet.Surround$.render(Surround.scala:36)
	net.liftweb.builtin.snippet.Surround$$anonfun$dispatch$1.$anonfun$applyOrElse$1(Surround.scala:31)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$25(LiftSession.scala:1722)
	net.liftweb.common.EmptyBox.openOr(Box.scala:910)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$23(LiftSession.scala:1696)
	net.liftweb.common.EmptyBox.openOr(Box.scala:910)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$20(LiftSession.scala:1694)
	net.liftweb.http.LiftSession.runWhitelist$1(LiftSession.scala:1681)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$19(LiftSession.scala:1692)
	net.liftweb.http.S.doSnippet(S.scala:2497)
	net.liftweb.http.S.doSnippet$(S.scala:2493)
	net.liftweb.http.S$.doSnippet(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$18(LiftSession.scala:1692)
	net.liftweb.http.NoOpSnippetTimer$.timeSnippet(SnippetTimer.scala:19)
	net.liftweb.http.LiftSession.$anonfun$processSnippet$15(LiftSession.scala:1691)
	net.liftweb.common.Full.map(Box.scala:854)
	net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$$processSnippet(LiftSession.scala:1686)
	net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing$1.applyOrElse(LiftSession.scala:1975)
	net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing$1.applyOrElse(LiftSession.scala:1963)
	scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:38)
	net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:36)
	net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:82)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$8(LiftSession.scala:2269)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.withAttrs(S.scala:2241)
	net.liftweb.http.S.withAttrs$(S.scala:2234)
	net.liftweb.http.S$.withAttrs(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$7(LiftSession.scala:2264)
	net.liftweb.http.S.doSnippet(S.scala:2497)
	net.liftweb.http.S.doSnippet$(S.scala:2493)
	net.liftweb.http.S$.doSnippet(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$6(LiftSession.scala:2263)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.withCurrentSnippetNodeSeq(S.scala:2458)
	net.liftweb.http.S.withCurrentSnippetNodeSeq$(S.scala:2457)
	net.liftweb.http.S$.withCurrentSnippetNodeSeq(S.scala:46)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$5(LiftSession.scala:2262)
	net.liftweb.http.LiftSession.processOrDefer(LiftSession.scala:2050)
	net.liftweb.http.LiftSession.$anonfun$processSurroundAndInclude$1(LiftSession.scala:2261)
	scala.collection.TraversableLike.$anonfun$flatMap$1(TraversableLike.scala:293)
	scala.collection.Iterator.foreach(Iterator.scala:943)
	scala.collection.Iterator.foreach$(Iterator.scala:943)
	scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
	scala.collection.IterableLike.foreach(IterableLike.scala:74)
	scala.collection.IterableLike.foreach$(IterableLike.scala:73)
	scala.collection.AbstractIterable.foreach(Iterable.scala:56)
	scala.collection.TraversableLike.flatMap(TraversableLike.scala:293)
	scala.collection.TraversableLike.flatMap$(TraversableLike.scala:290)
	scala.collection.AbstractTraversable.flatMap(Traversable.scala:108)
	net.liftweb.http.LiftSession.processSurroundAndInclude(LiftSession.scala:2244)
	net.liftweb.http.LiftSession.$anonfun$processTemplate$4(LiftSession.scala:988)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.LiftSession.$anonfun$processTemplate$3(LiftSession.scala:985)
	net.liftweb.common.Full.map(Box.scala:854)
	net.liftweb.http.LiftSession.$anonfun$processTemplate$1(LiftSession.scala:984)
	net.liftweb.util.AnyVarTrait.doWith(AnyVar.scala:278)
	net.liftweb.util.AnyVarTrait.doWith$(AnyVar.scala:274)
	net.liftweb.util.AnyVar.doWith(AnyVar.scala:91)
	net.liftweb.http.LiftSession.processTemplate(LiftSession.scala:983)
	net.liftweb.http.LiftSession.$anonfun$processRequest$9(LiftSession.scala:1093)
	net.liftweb.common.EmptyBox.or(Box.scala:912)
	net.liftweb.http.LiftSession.$anonfun$processRequest$6(LiftSession.scala:1093)
	net.liftweb.util.StackableMaker.doWith(Maker.scala:153)
	net.liftweb.util.StackableMaker.doWith$(Maker.scala:149)
	net.liftweb.http.Factory$FactoryMaker.doWith(Factory.scala:37)
	net.liftweb.util.StackableMaker.doWith(Maker.scala:144)
	net.liftweb.util.StackableMaker.doWith$(Maker.scala:143)
	net.liftweb.http.Factory$FactoryMaker.doWith(Factory.scala:37)
	net.liftweb.http.LiftSession.$anonfun$processRequest$4(LiftSession.scala:1092)
	net.liftweb.http.LiftSession.checkStatelessInSiteMap(LiftSession.scala:1031)
	net.liftweb.http.LiftSession.$anonfun$processRequest$3(LiftSession.scala:1087)
	net.liftweb.common.EmptyBox.or(Box.scala:912)
	net.liftweb.http.LiftSession.processRequest(LiftSession.scala:1085)
	net.liftweb.http.LiftServlet.net$liftweb$http$LiftServlet$$dispatchStatefulRequest(LiftServlet.scala:542)
	net.liftweb.http.LiftServlet$StatefulResponse$.$anonfun$process$4(LiftServlet.scala:384)
	net.liftweb.http.S.wrapQuery(S.scala:1577)
	net.liftweb.http.S.$anonfun$_nest2InnerInit$2(S.scala:1744)
	net.liftweb.http.S.doAround(S.scala:1506)
	net.liftweb.http.S.$anonfun$_nest2InnerInit$1(S.scala:1732)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S._nest2InnerInit(S.scala:1731)
	net.liftweb.http.S.$anonfun$_innerInit$5(S.scala:1777)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$withReq$2(S.scala:1788)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.withReq(S.scala:1787)
	net.liftweb.http.S.withReq$(S.scala:1785)
	net.liftweb.http.S$.withReq(S.scala:46)
	net.liftweb.http.S.$anonfun$_innerInit$4(S.scala:1772)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$_innerInit$3(S.scala:1770)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$_innerInit$2(S.scala:1770)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$_innerInit$1(S.scala:1769)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S._innerInit(S.scala:1768)
	net.liftweb.http.S.$anonfun$_init$7(S.scala:1810)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$_init$6(S.scala:1808)
	net.liftweb.http.CoreRequestVarHandler.apply(Vars.scala:606)
	net.liftweb.http.CoreRequestVarHandler.apply$(Vars.scala:592)
	net.liftweb.http.RequestVarHandler$.apply(Vars.scala:508)
	net.liftweb.http.S.$anonfun$_init$5(S.scala:1808)
	net.liftweb.http.CoreRequestVarHandler.apply(Vars.scala:606)
	net.liftweb.http.CoreRequestVarHandler.apply$(Vars.scala:592)
	net.liftweb.http.TransientRequestVarHandler$.apply(Vars.scala:521)
	net.liftweb.http.S.$anonfun$_init$4(S.scala:1807)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$_init$3(S.scala:1806)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S.$anonfun$_init$2(S.scala:1805)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.S._init(S.scala:1804)
	net.liftweb.http.S.init(S.scala:1381)
	net.liftweb.http.S.init$(S.scala:1375)
	net.liftweb.http.S$.init(S.scala:46)
	net.liftweb.http.LiftServlet$StatefulResponse$.doSession$1(LiftServlet.scala:384)
	net.liftweb.http.LiftServlet$StatefulResponse$.process(LiftServlet.scala:393)
	net.liftweb.http.LiftServlet.stepThroughPipeline$1(LiftServlet.scala:427)
	net.liftweb.http.LiftServlet.doService(LiftServlet.scala:435)
	net.liftweb.http.LiftServlet.$anonfun$service$2(LiftServlet.scala:162)
	net.liftweb.http.LiftServlet.$anonfun$service$2$adapted(LiftServlet.scala:162)
	net.liftweb.http.StandardServiceTimer$.$anonfun$logTime$1(ServiceRequestTimer.scala:19)
	net.liftweb.util.TimeHelpers.calcTime(TimeHelpers.scala:427)
	net.liftweb.util.TimeHelpers.calcTime$(TimeHelpers.scala:425)
	net.liftweb.util.Helpers$.calcTime(Helpers.scala:34)
	net.liftweb.util.TimeHelpers.logTime(TimeHelpers.scala:446)
	net.liftweb.util.TimeHelpers.logTime$(TimeHelpers.scala:445)
	net.liftweb.util.Helpers$.logTime(Helpers.scala:34)
	net.liftweb.http.StandardServiceTimer$.logTime(ServiceRequestTimer.scala:18)
	net.liftweb.http.LiftServlet.doIt$1(LiftServlet.scala:162)
	net.liftweb.http.LiftServlet.service(LiftServlet.scala:166)
	net.liftweb.http.provider.HTTPProvider.$anonfun$service$7(HTTPProvider.scala:72)
	scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.URLRewriter$.doWith(Req.scala:1357)
	net.liftweb.http.provider.HTTPProvider.$anonfun$service$4(HTTPProvider.scala:71)
	scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.provider.HTTPProvider.$anonfun$service$3(HTTPProvider.scala:70)
	scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.provider.HTTPProvider.service(HTTPProvider.scala:60)
	net.liftweb.http.provider.HTTPProvider.service$(HTTPProvider.scala:55)
	net.liftweb.http.LiftFilter.service(LiftServlet.scala:1063)
	net.liftweb.http.provider.servlet.ServletFilterProvider.$anonfun$doFilter$3(ServletFilterProvider.scala:83)
	scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	net.liftweb.http.provider.servlet.ServletFilterProvider.handleLoan$1(ServletFilterProvider.scala:59)
	net.liftweb.http.provider.servlet.ServletFilterProvider.handleLoanWrappers(ServletFilterProvider.scala:63)
	net.liftweb.http.provider.servlet.ServletFilterProvider.$anonfun$doFilter$2(ServletFilterProvider.scala:82)
	scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$6(Vars.scala:612)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$5(Vars.scala:611)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$4(Vars.scala:611)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$3(Vars.scala:610)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.apply(Vars.scala:609)
	net.liftweb.http.CoreRequestVarHandler.apply$(Vars.scala:592)
	net.liftweb.http.RequestVarHandler$.apply(Vars.scala:508)
	net.liftweb.http.provider.servlet.ServletFilterProvider.$anonfun$doFilter$1(ServletFilterProvider.scala:77)
	scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$6(Vars.scala:612)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$5(Vars.scala:611)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$4(Vars.scala:611)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.$anonfun$apply$3(Vars.scala:610)
	net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:71)
	net.liftweb.http.CoreRequestVarHandler.apply(Vars.scala:609)
	net.liftweb.http.CoreRequestVarHandler.apply$(Vars.scala:592)
	net.liftweb.http.TransientRequestVarHandler$.apply(Vars.scala:521)
	net.liftweb.http.provider.servlet.ServletFilterProvider.doFilter(ServletFilterProvider.scala:75)
	net.liftweb.http.provider.servlet.ServletFilterProvider.doFilter$(ServletFilterProvider.scala:69)
	net.liftweb.http.LiftFilter.doFilter(LiftServlet.scala:1063)
	org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
	org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
	org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
	org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
	org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
	org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
	org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
	org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
	org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
	org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
	org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
	org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
	org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191)
	org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
	org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	org.eclipse.jetty.server.Server.handle(Server.java:516)
	org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
	org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
	org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
	org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
	org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
	org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
	org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
	org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
	org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
	org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
	org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
	org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)
	org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)
	java.base/java.lang.Thread.run(Thread.java:833)