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 ('397ca484b138de1a43c4e0a43ffc367c', -1, 1715183635, 1715183635, '12d90672', 2, 0, 0)

Line : 189
File : sessions.php