phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO bardsds_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('cc11e1a815f96726e77b38d6f5b87a92', -1, 1711619185, 1711619185, '22cc3410', -9, 0, '0', '0')

Line : 175
File : sessions.php