phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4f2f78c50c44191a8740b051af7ef886' for key 'PRIMARY'

INSERT INTO gisforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('4f2f78c50c44191a8740b051af7ef886', -1, 1713532381, 1713532381, '00000000', -10, 0)

Line : 161
File : sessions.php