save button not working

Hello @justvimbing,

Please keep a full backup then navigate to the following file
tutor/assets/js/tutor-admin.min.js

And replace it with the file given in the Dropbox link below
https://www.dropbox.com/s/8qu1inqk7fy4oge/tutor-admin.min.js?dl=0

Remember to CLEAR CACHE completely afterwards.