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: U100:7 .
9 ERROR: Net 'Vcc' is connected to only one pin: U100:14 .
11 Checking pins without the 'pintype' attribute...
13 Checking type of pins connected to a net...
14 ERROR: Pin(s) with pintype 'output': U100:8 U100:6
15 are connected by net 'SING_N'
16 to pin(s) with pintype 'output': U100:8 U100:6
18 Checking unconnected pins...
19 ERROR: Unconnected pin U100:2
23 Checking duplicated slots...
25 Checking unused slots...
26 WARNING: Unused slot 4 of uref U100