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 ('2d63c2b59b5028fac1898baa899256c1', -1, 1730416955, 1730416955, '03901097', -1280, 0, 0)

Line : 195
File : sessions.php