There have been similar reports from other member from the past few days, so you're not alone.
I have tagged 2 Community Managers to ask if this is a technical issue, when I get a reply, I'll come back to you.
In the meantime which device and browser are you using? If the app or mobile browser, then switch if you can to a PC / laptop and use Chrome or Firefox they work best with eBay, and try from there, it might help.
Some reports when using Safari or Mac are causing these issues too, so here, worthwhile to change device or browser.
