Bug in messaging system

A number of users have said their messages are disappearing Hiya, I have items posted on the website and am getting messages about them but I can't see the messages. As soon as I tap the message it disappears #our message to them When you login to the site, and you go to your messages, send me what you see. When you click a message, what happens - please send a photo. Once i have this information, I will pass it on to the developer for him to look at. Are you using your mobile or desktop? #Their response So on this one I can see there is a message about a skirt. Yet when I go into the message it disappears. It hasn't always been like this I'd say it's the last few months. I'm accessing via a mobile