eBay has put a temporary block on your account in order to protect it.

This block will prevent you from bidding, selling and sending messages to other eBay members until eBay restore your account to you.

You can use the following link to contact eBay Customer Support for assistance in removing this temporary account restriction: eBay live help.

Depending on your browser's security settings you may need to 'allow pop-ups' as this link need to open a new tab to direct you to the eBay help team.