Please check your FTP Settings in Lightroom.
Are you able to connect and upload using a different FTP Client?
Also try the steps below:-
1. From the Web module in Lightroom, click Export instead of Upload.
2. Save the gallery to a location you can find easily (like your desktop).
3. Manually copy the gallery from its saved location to your FTP server.
Let us know if that helps.
Thank you for your reply, I have checked the ftp settings I don't have another ftp site to upload to.
Here is an example of what I send my clients:
I will try the other steps...
Thank you I tried the steps recommended and have been able to upload the galleries this way, so thank you for your help....
Thanks for the update.
Glad to know it is now working.
No, I do not consider this answer to be a satisfactory answer. I do NOT consider the problem to be solved, by exporting and then uploading to my website from a separate FTP client. I just started having the same problem as Dayg a few days ago: When I try to upload my contact sheet to my web server, I get the same "an error occurred sending the file: access was denied". I see the workaround proposed above. But a workaround is not a solution. I would consider a satisfactory resolution to this problem to be my ability to upload directly from Lightroom again, the way it used to before it suddenly stopped working a few days ago, because that is the functionality that I paid for when I bought the product.
So, now, a few more details. I am running OS X Yosemite and Lightroom 4.4. My FTP settings are regular (port 21) FTP and passive file transfer. I get the same exact error message when I use "not passive" (active) mode. However, when I switch to SFTP (port 22), as was suggested to me by my web host provider (despite that fact that it has been working in regular FTP mode literally for years), I get a different error message: "an error occurred sending the file: the resource does not exist".
After following my intuition, I then tried the following: Using a separate (non Adobe) FTP client, I logged into my web site and created the subfolder to which I was attempting to transfer my Lightroom upload. That subfolder did not exist previously; it was a new one. So I created it externally to Lightroom, but left it empty. Then I went back to Lightroom, set everything back to the way that it has been working for years (FTP port 21, passive mode), set the subfolder to the same ID as the new empty subfolder that I just created on the server, and clicked "upload". Worked like a charm. Everything uploaded just fine. So I'm 100% positive that it is not a problem with any of my login credentials or the host or anything. For some reason, Lightroom's FTP client has stopped being able to create folders on the FTP server.
I have now spent literally 2.5 hours on the phone with my web hosting company trying to figure out whether the problem is a problem on their end, i.e. whether they changed anything on their back end. They assure me that they have not. I also have to note that I have not done any major software upgrades in the past two weeks, since the last time I was able to successfully upload directly from Lightroom to the server. It's the same major version of the OS, same version of Lightroom, etc.
So why has Lightroom stopped working in the manner in which it was supposed to, in the manner for which I paid money for it? And how can we get it to start working again?