Here's the modpack that I'm working with: https://steamcommunity.com/sharedfiles/filedetails/?id=2992074819
This is a server for me and a couple friends, so it's not a huge public server or anything.
So the server runs, but it keeps throwing me the "You have been kicked from this server. Type21" error. I've already toggled the AntiCheat21 to false in the server's ini file, so I'm not sure what's going on. I've been at this for days. 
Another issue is that AMP's file manager does not save anything at all upon server startup. Every time I reopen the application and go check the ini and lua files, they've returned to default. Even when I change them, hit the save button, and then start the server back up, none of the settings are put into effect.