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 ('d2584d2150670b7f5df5639c568c138c', -1, 1754387899, 1754387899, 'd849d833', -9, 0, 0)

Line : 189
File : sessions.php