When I try I have this error
play.api.Application$$anon$1: Execution exception[[AuthenticatorRetrievalException: [Silhouette][session-authenticator] Could not retrieve authenticator]]
at play.api.Application$class.handleError(Application.scala:296) ~[play_2.11-2.3.10.jar:2.3.10]
at play.api.DefaultApplication.handleError(Application.scala:402) [play_2.11-2.3.10.jar:2.3.10]
at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$4.apply(PlayDefaultUpstreamHandler.scala:320) [play_2.11-2.3.10.jar:2.3.10]
at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$4.apply(PlayDefaultUpstreamHandler.scala:320) [play_2.11-2.3.10.jar:2.3.10]
at scala.Option.map(Option.scala:146) [scala-library-2.11.7.jar:na]
at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3.applyOrElse(PlayDefaultUpstreamHandler.scala:320) [play_2.11-2.3.10.jar:2.3.10]
at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3.applyOrElse(PlayDefaultUpstreamHandler.scala:316) [play_2.11-2.3.10.jar:2.3.10]
at scala.concurrent.Future$$anonfun$recoverWith$1.apply(Future.scala:344) [scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$recoverWith$1.apply(Future.scala:343) [scala-library-2.11.7.jar:na]
at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) [scala-library-2.11.7.jar:na]
at play.api.libs.iteratee.Execution$trampoline$.execute(Execution.scala:46) [play-iteratees_2.11-2.3.10.jar:2.3.10]
at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:40) [scala-library-2.11.7.jar:na]
at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:248) [scala-library-2.11.7.jar:na]
at scala.concurrent.Promise$class.complete(Promise.scala:55) [scala-library-2.11.7.jar:na]
at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:153) [scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235) [scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235) [scala-library-2.11.7.jar:na]
at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) [scala-library-2.11.7.jar:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.processBatch$1(BatchingExecutor.scala:67) [akka-actor_2.11-2.3.9.jar:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:82) [akka-actor_2.11-2.3.9.jar:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:59) [akka-actor_2.11-2.3.9.jar:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:59) [akka-actor_2.11-2.3.9.jar:na]
at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72) [scala-library-2.11.7.jar:na]
at akka.dispatch.BatchingExecutor$Batch.run(BatchingExecutor.scala:58) [akka-actor_2.11-2.3.9.jar:na]
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41) [akka-actor_2.11-2.3.9.jar:na]
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:401) [akka-actor_2.11-2.3.9.jar:na]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) [scala-library-2.11.7.jar:na]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) [scala-library-2.11.7.jar:na]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) [scala-library-2.11.7.jar:na]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) [scala-library-2.11.7.jar:na]
Caused by: com.mohiva.play.silhouette.api.exceptions.AuthenticatorRetrievalException: [Silhouette][session-authenticator] Could not retrieve authenticator
at com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService$$anonfun$retrieve$1.applyOrElse(SessionAuthenticator.scala:148) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService$$anonfun$retrieve$1.applyOrElse(SessionAuthenticator.scala:147) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) ~[scala-library-2.11.7.jar:na]
at scala.util.Failure$$anonfun$recover$1.apply(Try.scala:216) ~[scala-library-2.11.7.jar:na]
at scala.util.Try$.apply(Try.scala:192) ~[scala-library-2.11.7.jar:na]
at scala.util.Failure.recover(Try.scala:216) ~[scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$recover$1.apply(Future.scala:324) ~[scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$recover$1.apply(Future.scala:324) ~[scala-library-2.11.7.jar:na]
... 13 common frames omitted
Caused by: org.apache.commons.codec.DecoderException: Illegal hexadecimal character - at index 1
at org.apache.commons.codec.binary.Hex.toDigit(Hex.java:178) ~[commons-codec-1.10.jar:1.10]
at org.apache.commons.codec.binary.Hex.decodeHex(Hex.java:91) ~[commons-codec-1.10.jar:1.10]
at play.api.libs.Codecs$.hexStringToByte(Codecs.scala:76) ~[play_2.11-2.3.10.jar:2.3.10]
at play.api.libs.Crypto$.decryptAES(Crypto.scala:276) ~[play_2.11-2.3.10.jar:2.3.10]
at play.api.libs.Crypto$.decryptAES(Crypto.scala:252) ~[play_2.11-2.3.10.jar:2.3.10]
at
com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService.com$mohiva$play$silhouette$impl$authenticators$SessionAuthenticatorService$$unserialize(SessionAuthenticator.scala:281) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService$$anonfun$retrieve$3$$anonfun$3.apply(SessionAuthenticator.scala:140) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService$$anonfun$retrieve$3$$anonfun$3.apply(SessionAuthenticator.scala:140) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at scala.Option.flatMap(Option.scala:171) [scala-library-2.11.7.jar:na]
at com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService$$anonfun$retrieve$3.apply(SessionAuthenticator.scala:140) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at com.mohiva.play.silhouette.impl.authenticators.SessionAuthenticatorService$$anonfun$retrieve$3.apply(SessionAuthenticator.scala:139) ~[play-silhouette_2.11-2.0.1.jar:2.0.1]
at scala.util.Success$$anonfun$map$1.apply(Try.scala:237) ~[scala-library-2.11.7.jar:na]
at scala.util.Try$.apply(Try.scala:192) ~[scala-library-2.11.7.jar:na]
at scala.util.Success.map(Try.scala:237) ~[scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235) [scala-library-2.11.7.jar:na]
at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235) [scala-library-2.11.7.jar:na]
... 13 common frames omitted