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 ('e31ff9d9b8016289373af7e2af49de5c', -1, 1748790381, 1748790381, '038a25ad', -9, 0, 0)

Line : 190
File : sessions.php