R Notebook Keep Loading Data Frame

My R notebook seems to be stuck at here and I don't know how to delete it. I tried to reload the webpage, restart my labtop and restart session. Nothing worked. Appreciate any idea

Reply Oldest first
  • Oldest first
  • Newest first
  • Active threads
  • Popular
Like Follow
  • 2 mths agoLast active
  • 19Views
  • 1 Following