phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '480bd667917d842388639bc4845fbb4c' 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 ('480bd667917d842388639bc4845fbb4c', -1, 1754501802, 1754501802, 'd849d8cf', -1, 0, 0)

Line : 187
File : sessions.php