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 ('eb989e67fa1fc8e5cb72989ed67f719e', -1, 1749642944, 1749642944, 'd849d88e', 14, 0, 0)

Line : 190
File : sessions.php