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 ('654dfb9de6180b12d4c29c87b0791f14', -1, 1726880395, 1726880395, '12e2a546', -7, 0, 0)

Line : 189
File : sessions.php