FTP delete not atomic / verified / transactional (?)

Still getting back to this once again, with now 100% confirmed fresh data. This is the content of the manifest files, which are lost… It’s totally … Yeah, totally fked…

{"Version":2,"Created":"20211028T053227Z","Encoding":"utf8","Blocksize":102400,"BlockHash":"SHA256","FileHash":"SHA256","AppVersion":"2.0.5.114"}

Just confirms that basic things are unfortunately fatally flawed. In other words: normal, broken, unreliable software. This kind of obvious logic flaws lead to data loss and corruption, and unrecoverable (or hard to recover) situations.