None of my shiny app repositories will deploy

all my shiny app repositories will not deploy from rstudio. i get the same error message so maybe something is wrong with my account. it doesn’t work from other computers either.

ibrary(shiny)
> shiny::runGitHub("practice", "shoros55")
Downloading https://github.com/shoros55/practice/archive/master.tar.gz
Error in utils::download.file(url, method = method, ...) : 
  cannot open URL 'https://github.com/shoros55/practice/archive/master.tar.gz'
In addition: Warning message:
In utils::download.file(url, method = method, ...) :
  cannot open URL 'https://codeload.github.com/shoros55/practice/tar.gz/master': HTTP status was '404 Not Found'