Error in gzfile(file, mode) : cannot open the connection

hi, i use this library for make cv but i can get an error when run code.
how can resolve this error?
Error in gzfile(file, mode) : cannot open the connection
In addition: Warning message:
In gzfile(file, mode) :
  cannot open compressed file '/www/view_mode.rds', probable reason 'No such file or directory