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 ('16ae23ba1c69d4f0e520167cbeb09770', -1, 1713584015, 1713584015, '0391978d', -10, 0, 0)

Line : 187
File : sessions.php