1 Checking non-numbered parts...
3 Checking duplicated references...
5 Checking NoConnection nets for connections...
7 Checking nets with only one connection...
8 ERROR: Net 'GND' is connected to only one pin: R2:1 .
10 Checking pins without the 'pintype' attribute...
12 Checking type of pins connected to a net...
14 Checking unconnected pins...
18 Checking duplicated slots...
20 Checking unused slots...