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 ('aee704de45e652a3ff7b4e0cdf1fa8d9', -1, 1748211880, 1748211880, '12bfc853', -9, 0, 0)

Line : 190
File : sessions.php