Open file error

hi. I can not open the file. I get the message ‘’ this is not a sketchup file ‘’ or ‘’ file not found or invalid’’.
the file is 212MB. There is no backup. Sketchup 2016 and PRO2020 cant open it. please help
Link below

The file that you uploaded is 220 MB of zeros. There is no data in the file.

Was there an .skb file in the same folder? That one may be in better condition.