Can't connect to DB. Server. localhost, user: c16791_forsage_plus_ruОшибка DB:

Duplicate entry '' for key 'PRIMARY'

INSERT INTO `mp_users_sessions` SET `username` = '', `user_ip` = '54.234.191.202', `temp_info` = 'a:0:{}', `last_active` = '1638483206', `last_visit` = '0', `enter_to_site` = '0', `user_id` = '0', `remember_me` = '0', `cur_path` = '', `sess_id` = ''

/home/c16791/forsage-plus.ru/www/CORE/classes/system/DBEngine.php