It appears that the menu scene doesn't exist. The project doesn't seem to launch properly.
Scene 'menu' couldn't be loaded because it has not been added to the build settings or the AssetBundle has not been loaded.
To add a scene to the build settings use the menu File->Build Settings...
UnityEngine.SceneManagement.SceneManager:LoadScene(String)
lvlBuilder:GoToMenu() (at Assets/scripts/lvlBuilder.cs:293)
UnityEngine.EventSystems.EventSystem:Update()
It appears that the menu scene doesn't exist. The project doesn't seem to launch properly.