글자테두리를 넣고있는데요;

#_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
#_/　　◆인연 잡기·그림자 문자 묘화 － KGC_FrameShadowText◆
#_/----------------------------------------------------------------------------
#_/　draw_text 를 강화해, 인연 잡기나 그림자 문자의 묘화 기능을 추가합니다.
#_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

$imported["Frame ShadowText"] = true

#==============================================================================
# ■ Bitmap
#==============================================================================

class Bitmap
  #--------------------------------------------------------------------------
  # ● 테두리 문자 묘화
  #     x, y, width, height, string[, align, frame_color]
  #    rect, string[, align, frame_color]
  #--------------------------------------------------------------------------
  def draw_frame_text(*args)
    # 引?判定
    if args[0].is_a?(Rect)
      if args.size >= 2 && args.size <= 4
        # 引?を?理用のロ?カル??へコピ?
        x, y = args[0].x, args[0].y
        width, height = args[0].width, args[0].height
        string = args[1]
        align = args[2] == nil ? 0 : args[2]
        frame_color = args[3] == nil ? Color.new(0, 0, 0) : args[3]
      else
        # 引?が不正ならエラ?を吐く
        raise(ArgumentError, "wrong number of arguments(#{args.size} of #{args.size < 2 ? 2 : 4})")
        return
      end
    else
      if args.size >= 5 && args.size <= 7
        # 引?を?理用のロ?カル??へコピ?
        x, y, width, height = args
        string = args[4]
        align = args[5] == nil ? 0 : args[5]
        frame_color = args[6] == nil ? Color.new(0, 0, 0) : args[6]
      else
        # 引?が不正ならエラ?を吐く
        raise(ArgumentError, "wrong number of arguments(#{args.size} of #{args.size < 5 ? 5 : 7})")
        return
      end
    end
    # 元の色を保存
    origin_color = font.color.dup
    # ?取り
    font.color = frame_color
    draw_text(x - 1, y - 1, width, height, string, align)
    draw_text(x - 1, y + 1, width, height, string, align)
    draw_text(x + 1, y - 1, width, height, string, align)
    draw_text(x + 1, y + 1, width, height, string, align)
    # 元の色に?す
    font.color = origin_color
    draw_text(x, y, width, height, string, align)
  end
  #--------------------------------------------------------------------------
  # ● 影文字描?
  #     x, y, width, height, string[, align, shadow_color]
  #    rect, string[, align, shadow_color]
  #--------------------------------------------------------------------------
  def draw_shadow_text(*args)
    # 引?判定
    if args[0].is_a?(Rect)
      if args.size >= 2 && args.size <= 4
        # 引?を?理用のロ?カル??へコピ?
        x, y = args[0].x, args[0].y
        width, height = args[0].width, args[0].height
        string = args[1]
        align = args[2] == nil ? 0 : args[2]
        shadow_color = args[3] == nil ? Color.new(0, 0, 0) : args[3]
      else
        # 引?が不正ならエラ?を吐く
        raise(ArgumentError, "wrong number of arguments(#{args.size} of #{args.size < 2 ? 2 : 4})")
        return
      end
    else
      if args.size >= 5 && args.size <= 7
        # 引?を?理用のロ?カル??へコピ?
        x, y, width, height = args
        string = args[4]
        align = args[5] == nil ? 0 : args[5]
        shadow_color = args[6] == nil ? Color.new(0, 0, 0) : args[6]
      else
        # 引?が不正ならエラ?を吐く
        raise(ArgumentError, "wrong number of arguments(#{args.size} of #{args.size < 5 ? 5 : 7})")
        return
      end
    end
    # 元の色を保存
    origin_color = font.color.dup
    # 影描?
    font.color = shadow_color
    draw_text(x + 2, y + 2, width, height, string, align)
    # 元の色に?す
    font.color = origin_color
    draw_text(x, y, width, height, string, align)
  end
end




요 스크립트를쓰고있는데
스샷과 같은 오류가 뜨네요;ㅠ
어떻게하면 고쳐서 이쁜글씨가 뜰수있을까요?;