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 ('5dbe9d6a622b99c0c989cdeb1e43f100', -1, 1713458688, 1713458688, '1275b83e', -10, 0, 0)

Line : 187
File : sessions.php