It seems that your MongoDB is not installed. Furthermore, I think that you have connectivity problems. You should check that as well.
Try to run the yum commands again (update and complete transactions) and report back.
[root@freepbx ~]# fwconsole ma update xmpp
No repos specified, using: [extended,standard] from last GUI settings
Downloading module 'xmpp'
Processing xmpp
Verifying local module download...Verified
Extracting...Done
Download completed in 6 seconds
Installing/Updating MongoDB...MongoDB is not installed
Unable to install module xmpp:
- Failed to run installation scripts
Updating Hooks...Done
Updating Hooks...Done
[root@freepbx ~]#