Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
They have just updated Facebook with more levels. Try testing it on another browser, or do the usual troubleshooting steps clearing the cache, making sure Java is updated etc. This should resolve the issue.
King made a video to help with these kind of problems, it may help you out too:
https://www.youtube.com/watch?v=OESCE4Jj2tU
Good luck and let us know how you get on!