In that case, the best thing to do is just wait it out until Facebook's servers are back up and running. If there are, it's likely that an outage is the cause of your Messenger issues. Just enter 'Facebook' into the search bar and see if there are any current reports of problems. If you think this might be the case, you can check for any widespread outages on Down Detector. That means that if Facebook's servers are down, it could impact Messenger. When servers go down, it can affect any number of services that rely on them. If you're experiencing issues with Facebook Messenger not working, one potential cause could be a server outage. 2 Check for Facebook Messenger Server Outage.This will close the app and clear out any bad data that may be causing problems. If you're having trouble with the Facebook Messenger app on your iPhone or iPad, one thing you can try is to force stop the app. Not only have we detailed each of the solutions but also we have shared steps as how you can use each solution for your personal benefit. If your Facebook messenger is not working properly, the first thing you must do is to go ahead with a few basic checks given in the following part. Basic Checks if Facebook messenger app not working

Go to messenger settings