Can't make it work

Hi guys

Can anybody tell what is wrong here?

When I try to login this error shows:

WordPress databasefejl: [Column 'email' cannot be null]
INSERT INTO <code>wp_bosammenwsluserscontacts</code> (<code>user_id</code>, <code>provider</code>, <code>identifier</code>, <code>full_name</code>, <code>email</code>, <code>profile_url</code>, <code>photo_url</code>) VALUES (7, 'Facebook', '10154056114992577', 'Mette Bilberg Nasser', NULL, 'https://www.facebook.com/app_scoped_user_id/10154056114992577/', 'https://graph.facebook.com/10154056114992577/picture?width=150&height=150')

WordPress databasefejl: [Column 'email' cannot be null]
INSERT INTO <code>wp_bosammenwsluserscontacts</code> (<code>user_id</code>, <code>provider</code>, <code>identifier</code>, <code>full_name</code>, <code>email</code>, <code>profile_url</code>, <code>photo_url</code>) VALUES (7, 'Facebook', '1355382674479245', 'Louisa Bisgaard', NULL, 'https://www.facebook.com/app_scoped_user_id/1355382674479245/', 'https://graph.facebook.com/1355382674479245/picture?width=150&height=150')

Warning: Cannot modify header information - headers already sent by (output started at /var/www/videles.dk/public_html/wp-includes/wp-db.php:1354) in /var/www/videles.dk/public_html/wp-includes/pluggable.php on line 898

Warning: Cannot modify header information - headers already sent by (output started at /var/www/videles.dk/public_html/wp-includes/wp-db.php:1354) in /var/www/videles.dk/public_html/wp-includes/pluggable.php on line 899

Warning: Cannot modify header information - headers already sent by (output started at /var/www/videles.dk/public_html/wp-includes/wp-db.php:1354) in /var/www/videles.dk/public_html/wp-includes/pluggable.php on line 900

Warning: Cannot modify header information - headers already sent by (output started at /var/www/videles.dk/public_html/wp-includes/wp-db.php:1354) in /var/www/videles.dk/public_html/wp-includes/pluggable.php on line 1171

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