1 Checking non-numbered parts...
2 ERROR: Reference not numbered: R?
4 Checking duplicated references...
6 Checking NoConnection nets for connections...
8 Checking nets with only one connection...
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...