phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2c9f4e47c42648e9cff66b0438f7a710' for key 'PRIMARY'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2c9f4e47c42648e9cff66b0438f7a710', -1, 1737682511, 1737682511, '12777cbe', -9, 0, 0)

Line : 223
File : sessions.php