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 ('92052a5723716f683128e2b97fba991e', -1, 1748894908, 1748894908, '030efaae', -9, 0, 0)

Line : 190
File : sessions.php