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 ('643a8b6e3b4bcf262f9e7bf47b25c171', -1, 1748034190, 1748034190, '038582c0', -4, 0, 0)

Line : 189
File : sessions.php