Most probably, you are using some bad written plugins. I also got fatal error when I tried to activate some plugins.
This may be a reason. If you are using any third party plugin, try to deactivate it.
In hypewall, there is a error of undefined... view reply
It is not unsafe but there is a little problem in implementation of certificate.
You can visit the unsafe pages by:-
click on unsafe URL and remove s from https, it would become like http://community.elgg.org instead of https and then visit the... view reply
It is not that complicated. Just install the elgg in your public_html folder in a subfolder. Like public_html/elgg.
And then, go to url like yourwebsite.com/elgg and then you will be asked for directory of your website. You will be required to... view reply