WordPress database error: [Duplicate entry '0' for key 2]
INSERT INTO `blimamma`.`wp_pregnancy_due` (`id` ,`user_id` ,`user_nick` ,`first_name` ,`last_name` ,`fb_link` ,`gender` ,`fb_token` ,`user_city` ,`user_birthdate`) VALUES (NULL , '', '', '', '', '', '', '', '', '1970-01-01');