I wanted to update this issue since I resolved it accidentally. I was having problems on another issue and used chmod 775 on the installation directory and the issue is now resolved. Thank you guys for your patience.

Thank you Zet Man, I opened a support topic as suggested.

Have a great day

I'd suggest to follow the guidelines in https://www.opensource-socialnetwork.org/wiki/view/1101/how-to-report-a-bug-error

Does anybody have any suggestions on where I can begin to fix this issue? It is important that I find out what's not working or the whole point of building a social network site is irrelevant.

She's on my friends list. None of my friends, or any users come up when I type in the search box.

That is strange, can you make sure Amber.. is in your friends list?

Sorry, I tried to share the screenshot from Google Drive and it didn't show. Here's how the screen stays when you start typing a user's name to tag them.