# Why Does Messenger Say “Message Unavailable on This App?”
Facebook Messenger is one of the most popular messaging apps in the world, with over 1.3 billion users. However, sometimes users encounter an error message that says “Message Unavailable on This App.” Here’s why this happens:
## Account deactivation
If you have deactivated your Facebook account, or it has been suspended or deleted by Facebook for violating their terms of service, your Messenger account will also be deactivated.
## Message deletion
If the person who sent you a message has deleted their message on their end, it will also be deleted from your Messenger account, and you will see the “Message Unavailable on This App” error message.
## Connection issue
Sometimes, the app might experience connectivity issues that cause temporary message loss. In such cases, you may see the “Message Unavailable on This App” error message.
## Blocked contact
If you have blocked someone on Facebook, you will no longer be able to see their messages in Messenger. Instead, you will see the “Message Unavailable on This App” error message.
## Third-party app issue
If you have connected third-party apps to Messenger and try to access their messages through the app, you may see the “Message Unavailable on This App” error message. This could happen if there is a conflict between the third-party app and Messenger.
In conclusion, the “Message Unavailable on This App” error message on Messenger can be caused by various issues, and understanding the cause of the error can help you troubleshoot and resolve it more effectively.