phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9fdb7fefe21a29af6ba4be9d8cfadcaa' for key 'PRIMARY'

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9fdb7fefe21a29af6ba4be9d8cfadcaa', -1, 1714255954, 1714255954, '12dc89a4', -4, 0, 0)

Line : 187
File : sessions.php