phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO ataricomputers_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('bc7d275cc2b4214b7e9a80b13a9c53b8', -1, 1713441284, 1713441284, '0391baad', -4, 0, '0', '0')

Line : 175
File : sessions.php