I'm having trouble loading the 'flextable' package.

[dansalas]

I've come across a few proposed solutions on stackoverflow and in github issues, but I haven't been able to find a solution to the error that I get when installing 'flextable':

Error: package or namespace load failed for ‘flextable’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/Users/username/Library/R/3.6/library/systemfonts/libs/systemfonts.so':
  dlopen(/Users/username/Library/R/3.6/library/systemfonts/libs/systemfonts.so, 6): Library not loaded: /opt/X11/lib/libfreetype.6.dylib
  Referenced from: /Users/username/Library/R/3.6/library/systemfonts/libs/systemfonts.so
  Reason: Incompatible library version: systemfonts.so requires version 19.0.0 or later, but libfreetype.6.dylib provides version 18.0.0

I noticed that this issue has been raised in the Rstudio community before:

flextable package is not working

library(flextable) Error: package or namespace load failed for 'flextable' in dyn.load(file, DLLpath = DLLpath, ...): unable to load shared object '/Library/Frameworks/R.framework/Versions/3.6/Resources/library/systemfonts/libs/systemfonts.so': dlopen(/Library/Frameworks/R.framework/Versions/3.6/Resources/library/systemfonts/libs/systemfonts.so, 6): Library not loaded: /opt/X11/lib/libfreetype.6.dylib Referenced from: /Library/Frameworks/R.framework/Versions/3.6/Resources/library/systemfonts/libs/systemfonts.so Reason: image not found when i load the package, console presents this message. What it means???

I tried:

• reinstalling XQuartz
• brew installing cairo and pkg-config
• install.packages('zip') and restarting Rstudio
• install.packages("gdtools", type = "source"), although this throws an error for me:

• ERROR: lazy loading failed for package ‘gdtools’

I can successfully install flextable via install.packages, but it won't load with library().

Any help?

[andresrcs]

Have you tried reinstalling systemfonts package? Or installing the development version from GitHub? Since from your error message it seems like you need an updated version of that package.

[dansalas]

Yes, installed the systemfonts package. I've also tried installing the development version, but I get an error when installing it that way:

Downloading GitHub repo davidgohel/flextable@master
Error in utils::download.file(url, path, method = method, quiet = quiet,  : 
  cannot open URL 'https://api.github.com/repos/davidgohel/flextable/tarball/master'