ERROR

ERROR is the highest planet difficulty possible. If you have a Charm of the Feather equipped and you beam down onto an ERROR planet, your ship's AI will tell you that the gravity on this planet renders your Charm of the Feather useless. If you have a Charm of Pierce Defense and a piercing trap gets fired, your ship's AI to tell you that for some reason, the traps on this planet ignore your Charm of Pierce Defense.