Unable to run simulation

[GreatHaop]

$  ./sim.py --cpu-count=1
INFO:SoC:        __   _ __      _  __
INFO:SoC:       / /  (_) /____ | |/_/
INFO:SoC:      / /__/ / __/ -_)>  <
INFO:SoC:     /____/_/\__/\__/_/|_|
INFO:SoC:  Build your hardware, easily!
INFO:SoC:--------------------------------------------------------------------------------
INFO:SoC:Creating SoC... (2022-07-04 11:29:16)
INFO:SoC:--------------------------------------------------------------------------------
INFO:SoC:FPGA device : SIM.
INFO:SoC:System clock: 1.000MHz.
INFO:SoCBusHandler:Creating Bus Handler...
INFO:SoCBusHandler:32-bit wishbone Bus, 4.0GiB Address Space.
INFO:SoCBusHandler:Adding reserved Bus Regions...
INFO:SoCBusHandler:Bus Handler created.
INFO:SoCCSRHandler:Creating CSR Handler...
INFO:SoCCSRHandler:32-bit CSR Bus, 32-bit Aligned, 16.0KiB Address Space, 2048B Paging, big Ordering (Up to 32 Locations).
INFO:SoCCSRHandler:Adding reserved CSRs...
INFO:SoCCSRHandler:CSR Handler created.
INFO:SoCIRQHandler:Creating IRQ Handler...
INFO:SoCIRQHandler:IRQ Handler (up to 32 Locations).
INFO:SoCIRQHandler:Adding reserved IRQs...
INFO:SoCIRQHandler:IRQ Handler created.
INFO:SoC:--------------------------------------------------------------------------------
INFO:SoC:Initial SoC:
INFO:SoC:--------------------------------------------------------------------------------
INFO:SoC:32-bit wishbone Bus, 4.0GiB Address Space.
INFO:SoC:32-bit CSR Bus, 32-bit Aligned, 16.0KiB Address Space, 2048B Paging, big Ordering (Up to 32 Locations).
INFO:SoC:IRQ Handler (up to 32 Locations).
INFO:SoC:--------------------------------------------------------------------------------
INFO:SoC:Controller ctrl added.
ERROR:SoC:default CPU variant not supported, supported are:
 - full
 - full+cfu
 - full+cfu+debug
 - full+debug
 - imac
 - imac+debug
 - linux
 - linux+debug
 - linux+no-dsp
 - lite
 - lite+debug
 - lite+debug+hwbp
 - minimal
 - minimal+debug
 - minimal+debug+hwbp
 - secure
 - secure+debug
 - standard
 - standard+debug