phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb5_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9e3bb2df605d33fbaed91f054e2008f9', -1, 1664633447, 1664633447, '12d0bb80', 22, 0, 0)

Line : 187
File : sessions.php