phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6f400c7b2184497172b053f6481a7985' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6f400c7b2184497172b053f6481a7985', -1, 1744247867, 1744247867, '03858267', 21, 0, 0)

Line : 187
File : sessions.php