I don't know who had access to this terrain, but this is seriously a big big grief and a big problem. This person also griefed plots and the path of going through plots. The player Chriscraft1008 said it on chat and if it wasn't because of him we wouldn't know about this immediately. Here are pics of what this massive grief is:
I don't think its from long time ago. People would reported before me. And if it was from long time ago well, anyone reported it so I did so let the mods know and stuff.
Unfortunately I was there just yesterday but tp'd somewhere else, and there were other people around. They might still be there when they log in though, I'll ask.
Someone with OP Must of done this. Its not possible for a player or even a hacker to do it. Only OP's Have the permission to By-Pass World Guard and the plotme plugin. :/
A player called coolboys22 MAJORLY griefed my plot, and has access to hack onto all plots. Can you ban him from creative? Here is my evidence