Got through to Photobucket hence this reply -
Josh (Photobucket Support)
Nov 26, 10:19 AM MST
Hello there!
I am very sorry for the inconvenience that this has caused you. This is a known issue affecting several users and our engineering team is troubleshooting the problem. We will get this resolved as soon as we can!
In the meantime, you can upload via the upload option found in your library (see attached screenshot).
Thank you for your patience and again, I am terribly sorry for this inconvenience!