phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f84c177ace2735306d36540cbc181209' 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 ('f84c177ace2735306d36540cbc181209', -1, 1715775975, 1715775975, '0395f456', 4, 0, 0)

Line : 187
File : sessions.php