phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd5b2064339b977fcad964e8ae1640cd7' for key 'PRIMARY'

INSERT INTO gisforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d5b2064339b977fcad964e8ae1640cd7', -1, 1728710919, 1728710919, '00000000', -4, 0)

Line : 161
File : sessions.php