Cannot disconnect from machine

I’m having an issue where I can’t disconnect from a machine that I connected to months ago. It was free at the time, now it is in the vip archive. When I try to reset/change my vpn, it says to stop the active machine. When I click the stop button on the machine, it says “incorrect lab type”. I’m pretty sure it’s a site error that did not expect people to still be connected to the machine for months (I stopped in the middle of it and never opened hack the box for a while after).