Crane Not In Calibration Position = 201Not used.Calibration Failed = 202Does not appear to be used.Illegal Size Number Stack Occupied With Other Size = 301Attempting to pick up or set down a container of a different size than what is in the stack.Tier Number Not Top Tier = 302Work order requests set down on a tier which is not the top tier.Incorrect Blockmap Position = 303Could not translate the block, bay, or row id to the equivalent number or the number is out of the de-fined range for the block, bay, or row.Blockmap Tier Empty = 304Trying to pick up a container from an empty tier.Blockmap Stack Empty = 305Stack is empty when trying to increase or decrease tier. Internal use.Blockmap Row Empty = 306Not used.Blockmap Block Empty = 307Not used.