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 ('30e4df1d07a119c90d9c85f3999d0590', -1, 1747540940, 1747540940, '030e4f99', 2, 0, 0)

Line : 190
File : sessions.php