I have the latest version 2.5.1
I can’t save the date of the event, it keeps changing back to todays date, all the other info are saving.Mar 23,2017 AT 6:16AM - 4 years ago -
Please disable all other plugins, change to default WP theme, and check once.
I have done that, it doesn’t work
Download following file and then replace the same in your site, clear cache, and check again.