CMS is basically a content management system, it is divided into the logical (PHP in your case) and the visual which is what the user sees on their computer (HTML, CSS, JS). For example: pages such as the homepage, registration, team, etc.
And the emulator is the logical part of Habbo is what...
Sorry I have been trying to understand about the wireds 2.0 do you have any images or hotels that have these wiring harnesses, to have some reference on what you are looking for?
First error:
Set the table to UTF8MB4, this is caused by emojis.
Second error:
Problems with encryption.forced, run this query in your database
INSERT INTO emulator_settings (key, value) VALUES ('encryption.forced`, '1');
I had also made sure to look at the Flash UI version, the configuration file and if it exists. I would recommend that you take the latest .json and replace it with your current one...