I don't think using the guy who thought economic planning was impossible because there's no way an individual person can plan an entire economy by themselves is a good representation of a valid viewpoint. Like, Mises had a comedically awful conception of Socialist economics from square one.

As for Communism, the State can only be abolished fully when class antagonisms are abolished, and such a status can only occur when everyone across the globe equally owns all property across the globe (or as close to that as is possible). Until then, however, there will be classes, and thus a state, so you can't just get rid of the state outright unless you wish to return to hunter-gatherer style economics, or if you are okay with classes in your conception of Communism by turning everyone into petite bourgeoisie, equal owners but within their own communes exclusively.