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 ('2062ae77c04e53fa98956b0684c79ff2', -1, 1713436599, 1713436599, '340e9637', -10, 0, 0)

Line : 187
File : sessions.php