Such attachments figure don't have any useful information at all.
And you showed setting of driven HB-PSS.
Show me Netlist regarding analysis statements and signal sources for autonomous PSS.
// Library name: front_end
// Cell name: frontend
// View name: schematic
E0 (mixout\+ mixout\- net3 net02) vcvs gain=1.0
I44 (net06 net022 net019 net3 net02) MIXER
I15 (net016 net06) LNA
I16 (net019 net022) VCO
V0 (vdd! 0) vsource dc=2.5 type=dc
PORT_RF (net016 0) port r=50 num=1 type=dc freq=frf dbm=prf pacmag=1 \
fundname="frf1"
PORT_IF (mixout\+ mixout\-) port r=10K num=3 type=dc
ic net022=0.5
simulatorOptions options reltol=100e-3 vabstol=1e-6 iabstol=1e-7 temp=27 \
tnom=27 homotopy=all limit=delta scalem=1.0 scale=1.0 \
compatible=spice2 gmin=1e-12 rforce=1 maxnotes=5 maxwarns=5 digits=5 \
cols=80 pivrel=1e-3 sensfile="../psf/sens.output" checklimitdest=psf \
enable_pre_ver=yes ignorezerovar=yes
pss ( net022 net019 ) pss flexbalance=yes oversamplefactor=2
+ fund=2.53G harms=4 errpreset=conservative tstab=50n saveinit=yes
+ oscic=lin oscmethod=onetier maxstep=0.01n ic=all
+ tstabmethod=gear2only relref=allglobal annotate=status
pac pac relharmnum=1 start=2.45G stop=2.49G annotate=status
pnoise pnoise sweeptype=absolute start=1M stop=10M
+ oprobe=PORT_IF iprobe=PORT_RF refsideband=1 separatenoise=yes
+ annotate=status