This does not appear to be a SketchUp model. What am I supposed to do? Please help me

What am I supposed to do if I got this problem?
I’m using SketchUp 2019 right now. please help me Mr. @colin

my file

That files seems to be random data. Can you look to see if there is an SKB version of the model in the same folder as the SKP?

Yes Sir @colin , there is an SKB file in the same folder. But I have changed the SKB file extension to SKP because I hope I can open the file via SKB. But it still can’t.

Here I attach the SKB file: WeTransfer - Send Large Files & Share Photos Online - Up to 2GB Free

That file looks more hopeful. I am trying to recover something from it.

I seem to have recovered something from the file: