WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'KEY `last_name` (`last_name`)
KEY `identifier` (`identifier`)
' at line 14]CREATE TABLE wp_bb_social_sign_on_users (
`id` int NOT NULL AUTO_INCREMENT,
`wp_user_id` int NOT NULL,
`first_name` varchar(255),
`last_name` varchar(255),
`type` varchar(20) NOT NULL,
`identifier` varchar(100) NOT NULL,
`register_date` datetime default NULL,
`login_date` datetime default NULL,
`link_date` datetime default NULL,
PRIMARY KEY (id),
KEY `wp_user_id` (`wp_user_id`,`type`),
KEY `first_name` (`first_name`)
KEY `last_name` (`last_name`)
KEY `identifier` (`identifier`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci
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