phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6ad9ff031589dc7279419f18f77df48b' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6ad9ff031589dc7279419f18f77df48b', -1, 1714330513, 1714330513, '12dbbdf7', -9, 0, 0)

Line : 187
File : sessions.php