Knit R markdown documents

When I press knit I get the following error:

"Rendering R Markdown documents requires updated versions of the following packages: glue, highr, knitr, magrittr, markdown, stringr, tinytex, xfun, yaml." When I press "yes" to install these packages it does not install and an error message appears. Has anyone had this problem and if so how did you rectify this? I tried downloading tidyverse and the dlpyr but hasn't seemed to help??? Any suggestions would be much appreciated.

What is the specific error message you get? When dealing with package installation issues, you have to be very specific with your questions.

@darcyco have you try to install the packages using the command line? For example,


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