Buguser under the map

Game mode: [Online | PVP]
Problem: [Misc]
Region: [Germany EU]

Hi guys, on that server i am playing, official server #3099, there are guys which building under the map and glitching. How can i report them? Or can an admin take a look at these guys pls

The other Big clan which is hunting them sent me that picture.

I might think these are some small kids. They had a regular base, but they were destroyed and now they are hiding under tue map

Steps on how to reproduce issue:

Instructions for reporting are here: [PLEASE READ] Official servers - Terms of conduct, guidelines and procedures