Unexpected file format sketchup

SketchUp Pro
1

Hello, I’m having problem to open my project file.
it’s showing a message unexpected file format. Can anyone help me?

2

@colin Can you help me?

3

I didn’t recover much from these files. Here is what I managed:

https://we.tl/t-2kw2tZf1yK

4

The project file was not recovered, but thanks for your help.