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 ('4c6ce9c5f54c8ce620700630c2df9b7a', -1, 1747906257, 1747906257, '030fdfe8', 2, 0, 0)

Line : 190
File : sessions.php