SketchUp 2021 + Enscape 3.2
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Hi there and welcome to our Forum @thanhnguyen254 , it looks like you have not attached or added your Enscape rendering yet. 
Could you try again via either the “Attachments” tab or by simply using Copy + Paste? Please try the first option rather if the latter does not work.
I can see them now, thanks a lot for sharing!
yes, thank you @Demian_Gutberlet . I did it.