Tommy no longer has python 3.6. This post that you responded to is 5 months old. We upgraded Tommy to python 3.7 which is available at /usr/bin/python3.7
SQLite 3.7.17 is already installed, and that's the latest version we can support on the free shared hosting plans. I recommend you use mysql or postgresql anyways. You'll get much better performance.
APCu has been installed on Ricky's PHP 7.2 https://krydos1.heliohost.org/72/phpinfo.php
Mediawiki is frequently the target of bots creating accounts. It could be that a bot army found your wiki and started creating thousands of accounts. That would explain the sudden spike in load.
Your storage has been doubled. I gave you another month of inactivity immunity too since you created your account only about a week before Tommy died. Thanks for sticking with us through that.
Your account was archived because you haven't logged in for quite a while. We have a limited amount of space on our servers, and occasionally we have to remove the unused accounts to make space for new users. To prevent your account from becoming archived again please remember to log in at https://www.heliohost.org/login/ at least once every 30 days.
Unarchiving...
Also keep in mind that nulled software is illegal, and you're not allowed to host illegal things. Wowonder is $99+ https://www.wowonder.com/ and most people who have the money to pay $99+ for software generally don't use free hosting.
It has to be named app.js. If you don't want to name it app.js you can instead make a symlink. So, for instance, if you want to call it index.js you would need to make a symlink named app.js that points to index.js.