How can the second harvest in Revelation 14 be the unrighteous when in every other place it says the second harvest will be the righteous?

Matthew 13 and Revelation 14 contradict. Who are the grapes? Matthew 13 The weeds/tares are gathered first and burned. 30 Let both grow together until the harvest, and at harvest time I will tell the reapers, “Gather the weeds first and b…