phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f8f19921011caccc8966fb01f00e584f' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f8f19921011caccc8966fb01f00e584f', -1, 1714901911, 1714901911, '12d8cd7b', 21, 0, 0)

Line : 187
File : sessions.php