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 ('5192d8ab8630d3d3212c100b64868a1b', -1, 1713871067, 1713871067, '127689f3', 0, 0, 0)

Line : 187
File : sessions.php