我正在尝试为我的图形创建蓝色标题，但收到错误消息
ERROR:
compilation failed- missing packages (automatic installed disabled)
Undefined control sequence.
<recently read> \DeclareCaptionFont
l.97 \DeclareCaptionFont
{blue}{\color{blue}}
然后我尝试渲染我的代码。有什么想法为什么这不起作用吗？
---
title: "test"
format:
pdf:
include-in-header:
- text: |
\usepackage{geometry}
\usepackage{color}
\DeclareCaptionFont{blue}{\color{blue}}
\usepackage[font=Large,labelfont = bf,textfont = {blue,sf}]{caption}
editor: visual
pdf-engine: lualatex
fig-cap-location: top
lang: nb
---
```{r, figure, fig.height= 12, fig.width= 10,fig.cap=paste("Blue Caption")}
#| echo: false
library(tidyverse)
data.frame(Year= 2000:2002,
length=c(4.2, 10, 29.5)) %>%
ggplot() + geom_line(mapping = aes(x = Year, y = length))
```