our web host is working on our server so there may be times when the forum can't be reached. They are working on a problem of AI bots attacking web site and most of them come out of Japan. So hang in there
Update from host
I also saw your site is struggling to load at this time, and returning a mix of 503 and 502  responses, and it's clear from your cPanel resource usage that your hosting plan is over extended at this time :
Checking your site traffic for the past few hours, I can see why as you're receiving a very high rate of traffic, 
but breaking this down to the top 20 IPs it appears clear that your site is under a DDOS as while we're seeing ~140K requests in the last couple of hours, the top IP has only had 57 requests in that time.
So the attack is being distributed across thousands of unique IPs.
Therefore I have enabled Emergency DDOS protection to help block the distributed bot attack and I see your server has now stabilized and your site is loading again: