phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4c9892d7e2e54c6e49132e7f5b252bc' 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 ('b4c9892d7e2e54c6e49132e7f5b252bc', -1, 1714282103, 1714282103, 'ac453b92', -4, 0, 0, '89a96860f493f980c7e91e95217871d8')

Line : 187
File : sessions.php