Worst-case scenario: the UEd Goblin wipes the map and burns down your house.
From Unreal Wiki, The Unreal Engine Documentation Site
If you came here as a player and are looking for details about the Unreal series of games, head over to BeyondUnreal's Liandri Archives. If you are a server administrator looking for information about running servers for Unreal series games, try the Unreal Admin Wiki instead.
The quickest way to find what you're looking for usually is the search box on the left. Otherwise, try one of the topical starting points below.
Internet Relay Chat
The following IRC channels may be additional places of interest to get further help. Bring some patience, because despite being a real-time medium, communication over IRC may be slower than you may be used to from instant messengers.
Still can't find what you were looking for? You can browse through all of the articles by category.
The Community Portal is the general place to find out what's going on and what needs to be done on the Unreal Wiki.