killSkull = new Texture("KillSkull.png");

Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: Couldn't load file: KillSkull.png
at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:149)
at com.badlogic.gdx.graphics.TextureData$Factory.loadFromFile(TextureData.java:98)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:100)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:92)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:88)
at com.saumi.game.assets.Assets.load(Assets.java:12)
at com.saumi.game.Main.create(Main.java:25)
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: KillSkull.png (Internal)
at com.badlogic.gdx.files.FileHandle.read(FileHandle.java:136)
at com.badlogic.gdx.files.FileHandle.readBytes(FileHandle.java:222)
at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:146)
... 8 more