Error in inDL(x, as.logical(local), as.logical(now), ...) : 
  unable to load shared object 'd:/RCompile/CRANpkg/lib/3.6/cairoDevice/libs/x64/cairoDevice.dll':
  LoadLibrary failure:  Die angegebene Prozedur wurde nicht gefunden.

Please install GTK+ from http://ftp.gnome.org/pub/gnome/binaries/win64/gtk+/2.22/gtk+-bundle_2.22.1-20101229_win64.zip
If the package still does not load, please ensure that GTK+ is installed and that it is on your PATH environment variable
IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE AGAIN
Warning message:
In fun(libname, pkgname) :
  Failed to load cairoDevice, attempting to install itError in inDL(x, as.logical(local), as.logical(now), ...) : 
  unable to load shared object 'd:/RCompile/CRANpkg/lib/3.6/cairoDevice/libs/x64/cairoDevice.dll':
  LoadLibrary failure:  Die angegebene Prozedur wurde nicht gefunden.



It looks like this package has a loading problem: see the messages for
details.
** checking whether the package can be loaded with stated dependencies ...Error in inDL(x, as.logical(local), as.logical(now), ...) : 
  unable to load shared object 'd:/RCompile/CRANpkg/lib/3.6/cairoDevice/libs/x64/cairoDevice.dll':
  LoadLibrary failure:  Die angegebene Prozedur wurde nicht gefunden.

Please install GTK+ from http://ftp.gnome.org/pub/gnome/binaries/win64/gtk+/2.22/gtk+-bundle_2.22.1-20101229_win64.zip
If the package still does not load, please ensure that GTK+ is installed and that it is on your PATH environment variable
IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE AGAIN
Warning message:
In fun(libname, pkgname) :
  Failed to load cairoDevice, attempting to install itError in inDL(x, as.logical(local), as.logical(now), ...) : 
  unable to load shared object 'd:/RCompile/CRANpkg/lib/3.6/cairoDevice/libs/x64/cairoDevice.dll':
  LoadLibrary failure:  Die angegebene Prozedur wurde nicht gefunden.



It looks like this package (or one of its dependent packages) has an
unstated dependence on a standard package.  All dependencies must be
declared in DESCRIPTION.
See section 'The DESCRIPTION file' in the 'Writing R Extensions'
manual.