Error in app icon leading to delete messages on Facebook messenger glitch? Get to support. If you have a snafu in the app icon that is leading to delete messages on Facebook messenger glitch, then you can use the tech assistance steps to deal with the problem. In addition to this, you can also get support from the tech consultancies by using their techniques to resolve the matter. https://www.gonetech.net/facebook-helpdesk/delete-messages-on-facebook-messenger