[18th Mar] The Facebook issues have now been solved. We are still investigating if there is anything more to be fixed or improved regarding the issue. Sorry for this inconvenience once again!
[16th Mar] Unfortunately, the Facebook connection does not work properly for all users due to Facebook's partial outage. More info on Facebook platform status page.
We are working hard to solve the problem with Facebook and will notify you as soon as we have more information or the estimate for the fix.
We are sorry for the inconvenience!