Facebook users may experience the Attachment Unavailable in Messenger error while trying to send a file, photo, or video. There could be various reasons for this ...

It’s possible the entire service, or aspects relating to Messenger, is offline or experiencing errors. If this is the ... connections and has been known to fix Facebook Messenger not sending ...

So, continue reading below to know what steps to take in order to fix this error: Step 1: Update the Messenger if possible ... Tap the Menu key and then tap My Apps. To keep your apps ...