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 ('e0eaf1bad58a6ad3a22b4b9cf8025523', -1, 1730419520, 1730419520, '030fe1e9', 35, 0, 0)

Line : 195
File : sessions.php