Checking non-numbered parts... Checking duplicated references... 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... ERROR: Pin(s) with pintype 'output': U1:8 U1:6 are connected by net 'unnamed_net3' to pin(s) with pintype 'output': U1:8 U1:6 Checking unconnected pins... Checking slots... Checking duplicated slots... Checking unused slots... No warnings found. Found 1 errors.