just go to the folder which node installed , find file patch.py
\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI_Fooocus_KSampler\sampler\Fooocus\patch.py
delete lcm from this line
from comfy.samplers import model_management, lcm, math
it should be like this
from comfy.samplers import model_management, math
and save
just go to the folder which node installed , find file patch.py \ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI_Fooocus_KSampler\sampler\Fooocus\patch.py delete lcm from this line from comfy.samplers import model_management, lcm, math
it should be like this from comfy.samplers import model_management, math and save