WebPlus X6: WebPlus no longer uploads

I recently uploaded my upgrade of WebPlus to X6.

Looks really great, except that none of my websites can be uploaded by the in-program system anymore. It searches for and accesses the site manifest and then never uploads. It is connecting properly, I can upload through 3rd party FTP, which I can't do for one of my websites because I cannot remember the password for the username and neither can my client. (It was originally created in X2)

Please help. Let me know if there is an issue with WebPlus X6. Because, of course, now none of my WebPlus programs will upload these sites.

The one in question is hosted on iinet.com, but nothing has changed there.

I have three sites in question.

One is with iinet.com (which will not upload.)

The other two are with GoDaddy.com.

My personal site www.designworksnw.com works just fine.

My client's site www.builtstout.com will not upload.

I have full access to both of those accounts. Nothing is different between the two that I can tell.

Please help.