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 ('2235e1e4db0e54d7c93db5e19ef00092', -1, 1747935593, 1747935593, '0d3bcec4', 2, 0, 0)

Line : 190
File : sessions.php