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 ('00b62a59c375d6d3c6793944c7be5068', -1, 1754814175, 1754814175, 'd849d8fd', 1, 0, 0)

Line : 189
File : sessions.php