Error Help
Level Does Not Load
May be caused by incorrect szs compression, or the level not existing.
Level Crashes After Loading
May be an issue with rail connections (though rarely the rail itself). Make sure the parameters of the object you are attaching to a rail are equivalent to those found in an official level.
Object is not behaving as expected (invincible, or incapable of hurting)
Make sure the team parameter is set a intended. You can do some interesting things with Ink Pistons that don't harm, or boxes that you cannot break, but make sure you are doing them on purpose.