It appears there are a huge number of phantom users trying to overload the site and cause memory issues, which is why you may sometimes see a '500 Internal Server errors' message.'
In internet terminology, this is called a DDOS attack -- https://en.wikipedia.org/wiki/Denial-of-service_attack
On the front page of the forum, I can see this suspicious number of guests trying to access the site in the last 5 minutes:
As a result of this the site may function less optimally than normal and give you unintended errors until I figure out how to fix the issue. I request your patience.WHO IS ONLINE
In total there are 530 users online :: 6 registered, 0 hidden and 524 guests (based on users active over the past 5 minutes)
Most users ever online was 567 on Sat Nov 24, 2018 6:09 pm