There's been reports of others experiencing the same problem. I'd just register another account and start playing again rather than wait on their non-existent customer service to respond. Make sure you don't have autohotkey or other 3rd party apps that could possibly be detected by TenProtect as a cheat (even if it isn't one). I've been taking an extended break from ROE as I'm awaiting the destructible environments release which is hopefully coming this month.
I'm curious if their social media will say anything, the website has no option to submit for so you cant get to the contact us portion lol. I will probably register another one. I am not sure what triggered it though. Only thing I can think of would be my screen cap that places an FPS and status indicator at the top left. Taking a break from it for a bit as well.