Facebook login errors

Hi all,

since a few days we are having trouble with our facebook login.
it doesn’t work properly since it is encodeing urls twice.

This is the error we receive:
https://www.upwork.com/api/v3/wp-files/direct/room_009efc5864bbf63ba39c77e78aaebdc6/5ab6bb15-852f-4ca9-8b55-0fe381d7b6b2/Pasted+File+at+October+13%2C+2015+6%3A13+PM.png

Anyone knows how to fix this?

https://wordpress.org/plugins/wordpress-social-login/