Hi, I have the same issue. I emailed Samsung with screenshots & this is the reply. We just have to wait until normal service resumes.
Customer Support• Here is the answer to your enquiry.Dear Customer,
Thank you for contacting us. We appreciate the opportunity to assist you.
We understand that you would like to access your gallery on the Cloud website.
Please know that Samsung Cloud Web only provides a dashboard service for the time being. Sorry for the inconvenience and we will try to get back, with the services previously provided, as soon as possible.
As a result of our interaction you might receive a survey. Please take a moment to inform us how was your interaction with our Customer Care representative. Your feedback would help us greatly!
Should you encounter any other unexpected situations and have more questions, please do not hesitate to contact us and our support team will assist you with all the necessary information.
Also, if you visit the Content & Services Customer Support Website, http://help.content.samsung.com, you will be able to find all Samsung Content and Services we support in your country.
Thank you for using our services. Your satisfaction is very important to us.