failure to run HTML in knit #rmarkdown

I am trying to install R markdown. After typing install.packages("rmarkdown")...i go on to save as. If i go further to click on knit for html, i get this error message:
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :
there is no package called 'sass'
Calls: ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
Execution halted. what exactly is wrong, please?

It looks like you need to install the package {sass}



and try to install {Rmarkdown} again.

yes, it worked. thank you​:kissing_closed_eyes::kissing_closed_eyes::kissing_closed_eyes:

Hey I'm not that ugly!

Good to see I was right.

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