@slither007
At what point are you running into an issue? What error message are you seeing? Those error numbers are not available to be looked up, but the error text may be a clue about what is happening.
Try another browser to rule out a browser issue.
Try another link to rule out a bad link.
Try another device to rule out a device issue.
Try bidding or purchasing on another country site to rule out an ebay.co.uk issue.
Try another network to rule out a network issue.
Try another account to rule out an account issue.