Here's a hint: Look at the bottom of the forum for the bold blue names of that section. I'm not a moderator of that section, which means I can't do anything about the thread.
Another hint is to use the report button so that the moderators of that section can actually see the thread in question.
Hello, Umm a I have found an problem in the pokemon DP/P forum/threads...
"Is Rotom Legendary?' this thread does not belong there I believe it belongs in the pokemon general forum.