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 ('a61c55cd17e3d2d75af870fb9b35b8e6', -1, 1730755219, 1730755219, '12e2baac', -1, 0, 0)

Line : 195
File : sessions.php