WARNING:MapLib:680 - LOC constraint P20 on led7_seg_o<3> is invalid: No such
site on the device. Ignoring...
WARNING:MapLib:680 - LOC constraint P21 on led7_seg_o<4> is invalid: No such
site on the device. Ignoring...
WARNING:MapLib:680 - LOC constraint P29 on sw_i<2> is invalid: No such site on
the device. Ignoring...
WARNING:MapLib:680 - LOC constraint P6 on sw_i<7> is invalid: No such site on
the device. Ignoring...
WARNING:Place:837 - Partially locked IO Bus is found.
WARNING:Place:1019 - A clock IOB / clock....