connectionissue with the NZB_UPLOAD_URL

[IITuxtmuxII]

Hi I wanted to automaticly upload the nzbs to my ftp and I get this error I am using the appimg version: QNetworkAccessCache::removeEntry: trying to remove key 'ftp-connection:ftp://USERNAME@IP:21' that is not in cache Fehler beim Hochladen von nzb nach ftp:// USERNAME@IP:21: Logging in to IP failed: authentication required

Do you know what the issue is? I have SSL cert installed but made it optional. And If I could put it in a sub folder for example /ToDO