phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('31eb6d0999c25e57f1f38841dc0626d0', -1, 1715185629, 1715185629, '12bd0edb', -9, 0, 0)

Line : 189
File : sessions.php