phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21ff8da84e6b5eb334885cb42d0beaaa' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('21ff8da84e6b5eb334885cb42d0beaaa', -1, 1715160600, 1715160600, '12bf6670', -8, 0, 0)

Line : 187
File : sessions.php