phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6473e4bc5e3eeb8eaf3eacb9f01d04c8' 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 ('6473e4bc5e3eeb8eaf3eacb9f01d04c8', -1, 1714129278, 1714129278, 'ac453b99', -4, 0, 0, '5828df89474312705bb12e31353e05c6')

Line : 187
File : sessions.php