【Unity】 An asset is marked with HideFlags.DontSave but is included in the build

Android用のbuildを作成しようとしたところ、 イカのようなエラーが発生しました。[Console Log] An asset is marked with HideFlags.DontSave but is included in the build: Asset: 'Assets/3rd/Haste/Editor/InternalResources/Fonts/FiraSans-Regular.ttf' (You are probably referencing internal Unity data in your…