Error occurs when using different Fooocus model in colab

[ARTURIUS94]

in google colab when I try to generate an image using another model in Fooocus
then the generation freezes at the stage "Loading models ..."
and then disconnects and gives an error:

"error
Unexpected token '<', " <!DOCTYPE "... is not valid JSON"

the model that is by default in Fooocus -
"juggernautXL_v8Rundiffusion.safetensors" works fine

but when I use another model, an error pops up.
help me how to fix this?!?!?!?