Checking non-numbered parts... Checking duplicated references... ERROR: Duplicated reference U1. Checking NoConnection nets for connections... Checking nets with only one connection... Checking pins without the 'pintype' attribute... Checking type of pins connected to a net... Checking unconnected pins... Checking slots... Checking duplicated slots... ERROR: duplicated slot 1 of uref U1 Checking unused slots... No warnings found. Found 2 errors.
