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 ('d2b2a3ad5858aff969ef45ebc7811347', -1, 1713443226, 1713443226, '0391a46a', -9, 0, '0', '0')

Line : 175
File : sessions.php