【libGDX】Tiledで作ったMapが表示されない

Question

eclipseで実行すると下記エラーが出ます。
このエラーの意味もわからず....
どこをみたら良いのでしょうか。。

2018-03-19 05:15:40.448 java[1786:218301] 05:15:40.448 WARNING: 140: This application, or a library it uses, is using the deprecated Carbon Component Manager for hosting Audio Units. Support for this will be removed in a future release. Also, this makes the host incompatible with version 3 audio units. Please transition to the API's in AudioComponent.h.
Exception in thread "LWJGL Application" com.badlogic.gdx.utils.SerializationException: Error parsing file: maps/untitled.tmx
at com.badlogic.gdx.utils.XmlReader.parse(XmlReader.java:83)
at com.badlogic.gdx.maps.tiled.TmxMapLoader.load(TmxMapLoader.java:80)
at com.badlogic.gdx.maps.tiled.TmxMapLoader.load(TmxMapLoader.java:67)
at com.mygdx.game.screens.Play.show(Play.java:35)
at com.badlogic.gdx.Game.setScreen(Game.java:61)
at com.mygdx.game.MyGdxGame.create(MyGdxGame.java:10)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:149)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)
Caused by: com.badlogic.gdx.utils.GdxRuntimeException: File not found: maps/untitled.tmx (Internal)
at com.badlogic.gdx.files.FileHandle.read(FileHandle.java:136)
at com.badlogic.gdx.files.FileHandle.reader(FileHandle.java:163)
at com.badlogic.gdx.utils.XmlReader.parse(XmlReader.java:81)
... 7 more