phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_002sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b44c11757b64f0aa7f8de1c33a61184e', -1, 1736589930, 1736589930, '127713fb', -10, 0, 0)

Line : 216
File : sessions.php