I am installing Experience optimization in Content delivery using this link . But while configuring the Session Content Service, I am getting the following error.
Content Service Error::
2016-09-07 11:43:41,683 ERROR ActorSystemImpl - Uncaught error from thread [ODataAkkaSpringContext-akka.actor.default-dispatcher-7] shutting down JVM since 'akka.jvm-exit-on-fatal-error' is enabled
java.lang.NoClassDefFoundError: com/tridion/smarttarget/utils/AmbientDataHelper
at com.tridion.smarttarget.ambientdata.TriggerTypesProcessor.onRequestStart(TriggerTypesProcessor.java:27) ~[smarttarget_cartridge.jar:8.1.1]
at com.tridion.ambientdata.ServerEngine.onRequestStart(ServerEngine.java:144) ~[web-ambient-engine-8.1.1-1005.jar:8.1.1-1005]
at com.sdl.web.content.ambient.service.AmbientServiceProvider.handleRequestStart(AmbientServiceProvider.java:80) ~[content-ambient-extension-8.1.1-1008.jar:8.1.1-1008]
at com.sdl.web.content.ambient.odata.action.RequestStartAction.doOperation(RequestStartAction.java:46) ~[content-ambient-extension-8.1.1-1008.jar:8.1.1-1008]
at com.sdl.web.content.ambient.odata.action.RequestStartAction.doOperation(RequestStartAction.java:21) ~[content-ambient-extension-8.1.1-1008.jar:8.1.1-1008]
at com.sdl.odata.processor.write.ActionPostMethodHandler.handleWrite(ActionPostMethodHandler.java:53) ~[odata_processor-2.0.5-1002.jar:2.0.5-1002]
at com.sdl.odata.processor.ODataWriteProcessorImpl.write(ODataWriteProcessorImpl.java:57) ~[odata_processor-2.0.5-1002.jar:2.0.5-1002]
at com.sdl.odata.service.actor.ODataWriteProcessorActor$$anonfun$receive$1.applyOrElse(ODataWriteProcessorActor.scala:33) ~[odata_service-2.0.5-1002.jar:2.0.5-1002]
at akka.actor.Actor$class.aroundReceive(Actor.scala:480) ~[akka-actor_2.11-2.4.1.jar:na]
at com.sdl.odata.service.actor.ODataWriteProcessorActor.aroundReceive(ODataWriteProcessorActor.scala:28) ~[odata_service-2.0.5-1002.jar:2.0.5-1002]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) [akka-actor_2.11-2.4.1.jar:na]
at akka.actor.ActorCell.invoke(ActorCell.scala:495) [akka-actor_2.11-2.4.1.jar:na]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) [akka-actor_2.11-2.4.1.jar:na]
at akka.dispatch.Mailbox.run(Mailbox.scala:224) [akka-actor_2.11-2.4.1.jar:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_91]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_91]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_91]
Caused by: java.lang.ClassNotFoundException: com.tridion.smarttarget.utils.AmbientDataHelper
at java.net.URLClassLoader.findClass(Unknown Source) ~[na:1.8.0_91]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0_91]
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[na:1.8.0_91]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0_91]
... 17 common frames omitted
DXA 1.4 Error, while accessing the content service ::
2016-09-07 11:43:53,809 [7] ERROR - Item '/error-404' not found for Localization '27'
Sdl.Web.Common.DxaItemNotFoundException: Item '/error-404' not found for Localization '27'
at Sdl.Web.Tridion.Mapping.DefaultProvider.GetPageModel(String urlPath, Localization localization, Boolean addIncludes) in C:\DXA\Sdl.Web.Tridion\Mapping\DefaultProvider.cs:line 93
at Sdl.Web.Mvc.Controllers.PageController.NotFound() in C:\DXA\Sdl.Web.Mvc\Controllers\PageController.cs:line 104
Please help.