Hi, I'm trying to convert a schematic of a design I imported from LT Spice. When I click on "convert project to PCB," a window pops up that says at the top "verify the packages". It lists components being used in my schematic such as resistors and capacitors. In the "state" column they all say "error". What exactly does it mean by "verify the packages" and how do I go about doing so? Thank you.