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) VALUES ('65f0cf0e07b6e92d710a30dd27cab059', -1, 1714620817, 1714620817, '340e9637', 1, 0)

Line : 158
File : sessions.php