빌드 시 아래와 같은 오류가 발생하면서 빌드 실패가 됨.NullReferenceException: Object reference not set to an instance of an objectTMPro.MaterialReference..ctor (System.Int32 index, TMPro.TMP_FontAsset fontAsset, TMPro.TMP_SpriteAsset spriteAsset, UnityEngine.Material material, System.Single padding) (at ./Library/PackageCache/com.unity.ugui@ad30dfd93d36/Runtime/TMP/MaterialReferenceManager.cs:525)TMPro.TextMeshProUGUI..