If you have the OnUploadError running ioZS, then you will not be able to resume a partial upload.
Check the webpage now, I updated the Changelog. I accidentally deleted the whole website last night before going home
Here...
04/02/03 v1.01
ioZS:
* Fixed a crash when deleting a zip file that was not listed in the .ioFTPD.race file.
* Wasn't updating VFS permissions correctly on incomplete parent tags and progress tags.
* Fixed MP3 releases not announcing.