What happens if you try?
Try another browser.
Or another link -- particularly if you are using an old bookmark.
https://www.ebay.com/cnt/ViewMessage?_caprdt=1&group_type=CORE
If you are using a mobile browser, try switching between mobile site, classic site or desktop site. Or try using the latest version of the eBay app.
Try viewing your messages on another site such as ebay.ca or ebay.co.uk.
If you have your messages from members forwarded to your email address, check your email to read your eBay messages.
