ERROR: loading failded for 'i386'

Hi every one, i'm installing my own package in VNDS after update import(TTR) in namespace file. And i get the error as below. I also try to reinstall TTR and check in libpath and it already exist. Could you help me pass this error?

> devtools::install_github("phamdinhkhanh/VNDS")
Downloading GitHub repo phamdinhkhanh/VNDS@master
from URL https://api.github.com/repos/phamdinhkhanh/VNDS/zipball/master
Installing VNDS
"C:/PROGRA~1/R/R-34~1.3/bin/x64/R" --no-site-file --no-environ --no-save --no-restore --quiet CMD  \
  INSTALL  \
  "C:/Users/laptopTCC/AppData/Local/Temp/Rtmpe4wKCm/devtools9cc584218c9/phamdinhkhanh-VNDS-b857a1a"  \
  --library="C:/Program Files/R/R-3.4.3/library" --install-tests 

Note: no visible global function definition for 'radixsort' 
* installing *source* package 'VNDS' ...
** R
** preparing package for lazy loading
** help
*** installing help indices
  converting help for package 'VNDS'
    finding HTML links ... done
    getSymbols                              html  
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded
*** arch - i386
Note: no visible global function definition for 'radixsort' 

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
*** arch - x64
Note: no visible global function definition for 'radixsort' 
ERROR: loading failed for 'i386'
* removing 'C:/Program Files/R/R-3.4.3/library/VNDS'
* restoring previous 'C:/Program Files/R/R-3.4.3/library/VNDS'
In R CMD INSTALL
Installation failed: Command failed (1)