Hi All, I am trying to run ngspice for a .spice generated through xschem as a test run and getting these errors < Error: could not find include file ../../libs.ref/sky130_fd_pr/spice/sky130_fd_pr__nfet_01v8__tt.corner.spice ERROR, library file /user/local/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice, section definition tt not found ERROR: fatal error in ngspice, - Can someone please help me to understand what's happening ?

is your include file relative path exists?

IMG-20220111-WA0025.jpg

try

sudo make pdk