Destination server is in trash
Admin file transfer returned 400 Destination server is in trash.
Why this happens
Target server was soft-deleted. Related to Cannot transfer to or from a server in trash (either endpoint trashed on server-transfer route).
Diagnose and fix
1. Restore the destination under Server trash, restore, purge.
2. Pick an active destination server instead.
3. Retry the file transfer.
4. See Transfer queue — move files between servers.