Couldn't fetch torrent: Unknown Error (429)

[Jaxel]

I use transmission-rss to pull One Pace torrents... I haven't been able to pull the most recent two episodes:

2024-04-27 11:40:55 (info) transmission-rss 1.2.3
2024-04-27 11:40:55 (debug) {"feeds"=>[{"url"=>"https://nyaa.si/?page=rss&c=1_2&f=1&q=one+pace+mkv", "seen_by_guid"=>true}], "update_interval"=>600, "add_paused"=>false, "server"=>{"host"=>"192.168.1.5", "port"=>9091, "tls"=>false, "rpc_path"=>"/transmission/rpc"}, "login"=>{"username"=>"----------", "password"=>"-----------------------"}, "log"=>{"target"=>"/etc/transmission-logs.txt", "level"=>"debug"}, "fork"=>false, "single"=>false, "pid_file"=>false, "privileges"=>{}, "seen_file"=>"/etc/transmission-seen.txt"}
2024-04-27 11:40:55 (debug) no privilege dropping, running as user root
2024-04-27 11:40:55 (debug) 98 uris from seenfile
2024-04-27 11:40:55 (debug) pid 8
2024-04-27 11:40:55 (debug) aggregator start
2024-06-22 02:13:17 (debug) aggregate https://nyaa.si/?page=rss&c=1_2&f=1&q=one+pace+mkv
2024-06-22 02:13:17 (debug) on_new_item event https://nyaa.si/download/1836487.torrent
2024-06-22 02:13:17 (debug) request 192.168.1.5:9091
2024-06-22 02:13:17 (debug) got session id -----------------------------------------------------
2024-06-22 02:13:18 (debug) request 192.168.1.5:9091
2024-06-22 02:13:19 (debug) torrent-add result: Couldn't fetch torrent: Unknown Error (429)
2024-06-22 02:13:19 (debug) on_new_item event https://nyaa.si/download/1836486.torrent
2024-06-22 02:13:19 (debug) request 192.168.1.5:9091
2024-06-22 02:13:19 (debug) got session id -----------------------------------------------------
2024-06-22 02:13:19 (debug) request 192.168.1.5:9091
2024-06-22 02:13:19 (debug) torrent-add result: Couldn't fetch torrent: Unknown Error (429)

What causes Error 429?