Cannot Install ggbiplot for 3.6.2

Hi, I just upgrated R to 3.6.2 version and I am trying to install ggbiplot using install_github("vqv/ggbiplot",force=TRUE), but it doesn't work.
Here come to message:
Downloading GitHub repo vqv/ggbiplot@master
tar: Failed to set default locale
tar: Failed to set default locale
During startup - Warning messages:
1: Setting LC_CTYPE failed, using "C"
2: Setting LC_TIME failed, using "C"
3: Setting LC_MESSAGES failed, using "C"
4: Setting LC_MONETARY failed, using "C"
v checking for file '/private/var/folders/vb/5nz4h2510bvfsjwsjcnry5z80000gn/T/Rtmp4QEENy/remotes21d440c4f7d2/vqv-ggbiplot-7325e88/DESCRIPTION'

  • preparing 'ggbiplot':
    v checking DESCRIPTION meta-information
  • checking for LF line-endings in source and make files and shell scripts
  • checking for empty or unneeded directories
  • looking to see if a 'data/datalist' file should be added
  • building 'ggbiplot_0.55.tar.gz'

Error: (converted from warning) Setting LC_CTYPE failed, using "C"
Execution halted
Error: Failed to install 'ggbiplot' from GitHub:
(converted from warning) installation of package '/var/folders/vb/5nz4h2510bvfsjwsjcnry5z80000gn/T//Rtmp4QEENy/file21d4436a1d36/ggbiplot_0.55.tar.gz' had non-zero exit status

Can someone help me with this?

This is an experimental package, so it may be that it simply isn't ready for primetime use. However the docs say that library(devtools) is needed before install_github. What packageVersion(devtools) do you have ?
It may be worth trying to upgrade version on that.
I saw on the GitHub others logged issues with problems of installing, so you're not alone.

Thanks for the response. I was finally able to install it after following these paths:

  1. Open Terminal
  2. Write or paste in: defaults write org.R-project.R force.LANG en_US.UTF-8
  3. Close Terminal (including any RStudio window)
  4. Start R
    Thk again

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