eBay

I click on the messages icon and all it does is refresh the page and when I go to the help and contact page I can't reply to any of my messages it sends me back to the main page

I'm trying to purchase a item from a seller and it says We can't process your payment but after I saw that I went to another seller that I wanted to buy from and it went through with no problems and there's enough money to pay for all the items can a...