phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6f4d5c64135571687230faa5e5d4d0d4' 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 ('6f4d5c64135571687230faa5e5d4d0d4', -1, 1715098357, 1715098357, 'c0a80201', -2119, 0, 0)

Line : 187
File : sessions.php