There are several posts about this today.
Hopefully, Ebay Customer Services have been made aware and it is being sorted.
You can always contact Customer Services to report the issue but it is obviously affecting a lot of accounts.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)