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 ('8ee8c2b04bbf2b76ffa7b3015c04221f', -1, 1751421634, 1751421634, 'd849d8e1', 42, 0, 0)

Line : 190
File : sessions.php