@Sheila Ruley By the way the correct term is Planchet not Planchette.. A planchette is a little plank like the one used in the OUIJA Board I want to share this webpage with you - https://en.wikipedia.org/wiki/Planchette
I normally do not get involved in these conversations about errors but...Yes, die cracks and chips are a part of a later stage of the die that is deteriorating. But as they are not an intended part of the design of the coin, then they are indeed errors that were not meant to be. Weather or not you collect them or find them interesting is a matter of subjectivity. Otherwise those that believe they are not errors are in fact rewriting their history. The same could be said about doubled die coins if this summation were true. So, just because someone does not collect them because they are too minor we should tell everyone who does that they should toss them because of this?
A Die Crack is listed as an Error. Error: An abnormal coin produced by the mint resulting from a manufacturing defect in the planchet, a post-manufacturing issue with the die, or a mechanical failure of some kind during the strike. Most “mistakes” made to the die DURING its creation, such as re-punched mint marks, and doubled dies, are referred to as die varieties and are NOT considered errors by the numismatic community. The list of errors is lengthy, but include such things like off-center strikes, die clashes, lamination errors, cuds, die cracks and die chips, and misaligned die strikes or double strikes, just to name a few. The most comprehensive list of errors and examples can be seen at error-ref.com