Maps-with-R-Leaflet

Practice using R package - Leaflet

However, when I want to make a shiny to show my result clearly and interactively, I got this trouble below:

I couldn't solve this anyway.

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
Maps-with-R-Leaflet.html		Maps-with-R-Leaflet.html
Maps-with-R-Leaflet.pdf		Maps-with-R-Leaflet.pdf
README.md		README.md
app.R		app.R
error.png		error.png
static_mapChoropleths.png		static_mapChoropleths.png

Provide feedback