phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0b32a35fb2a0c682f15ebfa2d50526a8', -1, 1713575463, 1713575463, '03ebac7b', -11, 0, 0)

Line : 187
File : sessions.php