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 ('f1aba8bd7b1932fd464ae29e887d70d2', -1, 1747386398, 1747386398, '12de5ed6', 2, 0, 0)

Line : 190
File : sessions.php