Blogdown报错：找不到函数"invalidUTF8"，求解决方案

Hey there! I’ve dealt with similar confusing function-missing errors in blogdown before, so let’s break down actionable steps to fix this issue:

• Update your blogdown and its dependency packages
  The invalidUTF8 function is actually part of the xfun package, which blogdown relies on. Outdated versions of either package can cause this error. Run this command in your R console to update the key packages:

  update.packages(c("blogdown", "xfun", "rmarkdown"), dependencies = TRUE)
  

  If you’re using RStudio, you can also go to Tools > Check for Package Updates to update all outdated packages in one go. Don’t forget to restart your R session after updating!

• Double-check for typos in your code or config
  It sounds silly, but sometimes a tiny typo (like mixing up uppercase/lowercase letters or misspelling the function name) can trigger this error. Scan through any custom R code you’ve added to your site, as well as your config file (config.toml or config.yaml), to make sure you didn’t accidentally miswrite invalidUTF8.

• Clear your site cache and rebuild from scratch
  Stale cache files can cause all sorts of odd behavior in blogdown. Run this command to wipe the cache and generated files:

  blogdown::clean_site()
  

  Then try rebuilding your site again with:

  blogdown::build_site()
  

• Reinstall blogdown from the latest source
  If updating packages doesn’t work, try installing the most recent development version of blogdown directly from GitHub:

  remotes::install_github("rstudio/blogdown")
  

  Restart your R session after installation, then attempt to build your site once more.

• Make sure your R version is up-to-date
  Older R versions might not support some of the newer functions that blogdown and its dependencies use. Run version in your console to check your current R version—if it’s older than 4.0.0, consider upgrading to the latest stable release.

If none of these steps resolve the error, feel free to share more details like your blogdown version, R version, and any custom code/config you’re using—those extra bits can help narrow down the issue further!

内容的提问来源于stack exchange，提问作者Undecided