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 ('f8a4eaef8c65226e5f0d0a1fed4d188f', -1, 1715036811, 1715036811, '0391bca0', 3, 0, 0)

Line : 189
File : sessions.php