Failed to get a valid access token from Facebook

Hi,
All of a sudden I’ve been getting this error when trying to sign in on the settings page:

“Error: Failed to get a valid access token from Facebook. Response: wp_remote_get() failed! Message: Failed to connect to 2a03:2880:10:cf01:face:b00c:0:5: Network is unreachable”

Tried logging in with 3 different accounts still the same.

Any suggestions?
Thanks

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Host URL: pienterepiste.sgr1.g-o.be
Site URL: http://pienterepiste.sgr1.g-o.be
Wordpress URL: http://pienterepiste.sgr1.g-o.be
Wordpress Version: 3.4.2
Plugin Version: 2.1.5
Browser: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11
Theme: Grand College
Server: Apache
Active Plugins: 6 (CodeStyling Localization 1.99.28; Duplicate Post 2.4.1; Events Manager 5.3.1; Facebook Photo Fetcher 2.1.5; GoGadget Weather and Weatherforecast Widget 5.0; WordPress Importer 0.6; )
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http://wordpress.org/extend/plugins/facebook-photo-fetcher/