Rclone copy gives error Connection reset by peer, using FTP

2020/07/17 13:36:38 DEBUG : rclone: Version "v1.52.2-221-g1fafcd4d-beta" starting with parameters ["rclone" "lsl" "freebox:" "-vv"]
2020/07/17 13:36:38 DEBUG : Using config file from "/home/seed/.config/rclone/rclone.conf"
2020/07/17 13:36:38 DEBUG : ftp://FTP IP:40161: Connecting to FTP server
2020/07/17 13:36:38 DEBUG : 2 go routines active