HTTP ERROR 500 Server Error

URI:/en/404/
STATUS:500
MESSAGE:Server Error
SERVLET:org.apache.felix.http.base.internal.dispatch.DispatcherServlet-59b5c4ce
CAUSED BY:java.lang.NullPointerException

Caused by:

java.lang.NullPointerException
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.createControl(ResourceResolverImpl.java:143)
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.<init>(ResourceResolverImpl.java:104)
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.<init>(ResourceResolverImpl.java:98)
	at org.apache.sling.resourceresolver.impl.CommonResourceResolverFactoryImpl.getResourceResolverInternal(CommonResourceResolverFactoryImpl.java:280)
	at org.apache.sling.resourceresolver.impl.CommonResourceResolverFactoryImpl.getResourceResolver(CommonResourceResolverFactoryImpl.java:190)
	at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryImpl.getResourceResolver(ResourceResolverFactoryImpl.java:98)
	at org.apache.sling.auth.core.impl.SlingAuthenticator.getAnonymousResolver(SlingAuthenticator.java:923)
	at org.apache.sling.auth.core.impl.SlingAuthenticator.doHandleSecurity(SlingAuthenticator.java:546)
	at org.apache.sling.auth.core.impl.SlingAuthenticator.handleSecurity(SlingAuthenticator.java:495)
	at org.apache.sling.engine.impl.SlingHttpContext.handleSecurity(SlingHttpContext.java:134)
	at org.apache.felix.http.base.internal.whiteboard.PerBundleServletContextImpl.handleSecurity(PerBundleServletContextImpl.java:82)
	at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:58)
	at org.apache.felix.http.base.internal.dispatch.Dispatcher$1.doFilter(Dispatcher.java:146)
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1002)
	at com.adobe.granite.auth.oauth.impl.OAuthCallbackFilter.doFilter(OAuthCallbackFilter.java:69)
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
	at org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:326)
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
	at org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:97)
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
	at com.adobe.ams.security.core.AMSSecurityFilter.doFilter(AMSSecurityFilter.java:56)
	at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:137)
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008)
	at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.invokePreprocessors(WhiteboardManager.java:1012)
	at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:91)
	at org.apache.felix.http.base.internal.dispatch.DispatcherServlet.service(DispatcherServlet.java:49)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:550)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.Server.handle(Server.java:516)
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
	at java.base/java.lang.Thread.run(Thread.java:834)