1 Checking non-numbered parts...
3 Checking duplicated references...
4 ERROR: Duplicated reference R1.
6 Checking NoConnection nets for connections...
8 Checking nets with only one connection...
9 ERROR: Net 'GND' is connected to only one pin: R1:1 .
10 ERROR: Net 'unnamed_net1' is connected to only one pin: R1:2 .
12 Checking pins without the 'pintype' attribute...
14 Checking type of pins connected to a net...
16 Checking unconnected pins...
20 Checking duplicated slots...
21 ERROR: duplicated slot 1 of uref R1
23 Checking unused slots...