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 ('fad675df5c9f732e96c199ade4446219', -1, 1752907585, 1752907585, 'd849d8fb', 2, 0, 0)

Line : 189
File : sessions.php