phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4a97e5681673f9ba705acb9964d38aaf' 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, priv_session_id) VALUES ('4a97e5681673f9ba705acb9964d38aaf', -1, 1714311116, 1714311116, 'ac4683c2', -4, 0, 0, '165d410e348485d6439b477f992ea0d8')

Line : 187
File : sessions.php