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 ('bab3eb419fcc1f4ac53ee96c39931876', -1, 1748837533, 1748837533, '030e03b4', -9, 0, 0)

Line : 190
File : sessions.php