Can't install your package

[slawomirmatuszak]

I receive an error:

devtools::install_github("savchukidze/rada4you")
Downloading GitHub repo savchukidze/rada4you@HEAD
√ checking for file 'C:\Users\AppData\Local\Temp\RtmpoJ6k4N\remotes41006071aff\savchukidze-rada4you-a077e15/DESCRIPTION' ...

• preparing 'rada4you':
  √ checking DESCRIPTION meta-information ...
• excluding invalid files
  Subdirectory 'R' contains invalid file names:
  'DS_Store'
  Subdirectory 'man' contains invalid file names:
  'DS_Store'
• checking for LF line-endings in source and make files and shell scripts
• checking for empty or unneeded directories
• building 'rada4you_0.1.0.tar.gz'

Installing package into ‘C:/Users/Documents/R/win-library/4.0’
(as ‘lib’ is unspecified)

• installing source package 'rada4you' ...
  ** using staged installation
  ** R
  Error : (przetworzone z ostrzeїenia) nie moїna przekodowaж 'mps.R' linie 16, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70
  ERROR: unable to collate and parse R files for package 'rada4you'
• removing 'C:/Users/Documents/R/win-library/4.0/rada4you'
  BLAD: Failed to install 'rada4you' from GitHub:
  (przetworzone z ostrzezenia) installation of package ‘C:/Users/AppData/Local/Temp/RtmpoJ6k4N/file410012276a96/rada4you_0.1.0.tar.gz’ had non-zero exit status