pandoc version 1.12.3 or higher is required and was not found (R shiny)

Question

I have a problem generating a pdf report from my app shiny which is hosted on a server.

the app works fine but when I press the button to download the report, I get

Answer 1

I was facing a similar issue in IntelliJ R plugin. I solved it by copying the pandoc file in ~/.IntelliJIdea2019.3/config/plugins/rplugin/pandoc