phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f2747707b3d2c8633e4d1f11f863e871' for key 'PRIMARY'

INSERT INTO gisforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('f2747707b3d2c8633e4d1f11f863e871', -1, 1716049328, 1716049328, '00000000', -1, 0)

Line : 161
File : sessions.php