JPA Unknown entity

gistfile1.txt

! @6mhm4053g - Internal server error, for (GET) [/] ->

play.api.UnexpectedException: Unexpected exception[IllegalArgumentException: Unknown entity: models.Listing]
	at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.core.j.JavaGlobalSettingsAdapter.play$core$j$JavaGlobalSettingsAdapter$$super$onError(JavaGlobalSettingsAdapter.scala:36) [com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.core.j.JavaGlobalSettingsAdapter$$anonfun$onError$2.apply(JavaGlobalSettingsAdapter.scala:36) [com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.core.j.JavaGlobalSettingsAdapter$$anonfun$onError$2.apply(JavaGlobalSettingsAdapter.scala:36) [com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at scala.Option.getOrElse(Option.scala:121) [org.scala-lang.scala-library-2.11.6.jar:na]
	at play.core.j.JavaGlobalSettingsAdapter.onError(JavaGlobalSettingsAdapter.scala:36) [com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$9$$anonfun$apply$1.applyOrElse(PlayDefaultUpstreamHandler.scala:158) [com.typesafe.play.play-netty-server_2.11-2.4.1.jar:2.4.1]
Caused by: java.lang.IllegalArgumentException: Unknown entity: models.Listing
	at org.hibernate.jpa.spi.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:1184) ~[org.hibernate.hibernate-entitymanager-4.3.10.Final.jar:4.3.10.Final]
	at dao.impl.ListingDaoImpl.save(ListingDaoImpl.java:20) ~[nestidy.nestidy-1.0-sans-externalized.jar:na]
	at dao.impl.ListingDaoImpl.save(ListingDaoImpl.java:15) ~[nestidy.nestidy-1.0-sans-externalized.jar:na]
	at services.impl.ListingServiceImpl.testRepo(ListingServiceImpl.java:26) ~[nestidy.nestidy-1.0-sans-externalized.jar:na]
	at controllers.Application.index(Application.java:23) ~[nestidy.nestidy-1.0-sans-externalized.jar:na]
	at router.Routes$$anonfun$routes$1$$anonfun$applyOrElse$1$$anonfun$apply$1.apply(Routes.scala:117) ~[nestidy.nestidy-1.0-sans-externalized.jar:na]
	at router.Routes$$anonfun$routes$1$$anonfun$applyOrElse$1$$anonfun$apply$1.apply(Routes.scala:117) ~[nestidy.nestidy-1.0-sans-externalized.jar:na]
	at play.core.routing.HandlerInvokerFactory$$anon$4.resultCall(HandlerInvoker.scala:136) ~[com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.core.routing.HandlerInvokerFactory$JavaActionInvokerFactory$$anon$14$$anon$3$$anon$1.invocation(HandlerInvoker.scala:127) ~[com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]
	at play.core.j.JavaAction$$anon$1.call(JavaAction.scala:70) ~[com.typesafe.play.play_2.11-2.4.1.jar:2.4.1]