Thank you anyway

Yes, SafeMode is configured.

Yes, I can see the folder when I log in to the server. The only difference to the rootfolder (upload) is, that the createt folder was created with another user called wwwrun. The rights for the folder should be ok in my opinion: drwxrwxrwx.

I have the following issue:

Upload of an image is ok when i put it in the rootdirectory. But if I create a Directory in the Media Manager and try to upload the image I get an Error Message:

Bild hinzufügen...

Ein Fehler trat beim Dateiupload auf. Vielleicht ist die Datei größer als durch die ...