We're sorry that you are having issues with Messenger Black. Since this app is still relatively new, having been released in September 2019, we have not had enough user concerns to create a Frequently Asked Questions page, but we will update this page as necessary with any common questions our users have.
In the meantime, please send any feedback or suggestions to messengerblack@ryanmohta.com, and we will get back to you in one or two days.